Home / 8,721,170,084.40-13,081,755,126.60-8,047,728,049.20

Finding the Fourth Proportional to 8,721,170,084.40, 13,081,755,126.60 and 8,047,728,049.20

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Solution

The fourth proportional to 8,721,170,084.40, 13,081,755,126.60 and 8,047,728,049.20 is: 12,071,592,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,170,084.40 : 13,081,755,126.60 = 8,047,728,049.20 : x
  2. Step 2: Convert to fraction form
    8,721,170,084.40/13,081,755,126.60 = 8,047,728,049.20/x
  3. Step 3: Cross multiply
    8,721,170,084.40x = 13,081,755,126.60 × 8,047,728,049.20
  4. Step 4: Simplify right side
    8,721,170,084.40x = 105,278,407,665,104,715,776
  5. Step 5: Solve for x
    x = 105,278,407,665,104,715,776/8,721,170,084.40
  6. Step 6: Final answer
    x = 12,071,592,073.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.