Home / 8,748,010.80-13,122,016.20-7,628,266.80

Finding the Fourth Proportional to 8,748,010.80, 13,122,016.20 and 7,628,266.80

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Solution

The fourth proportional to 8,748,010.80, 13,122,016.20 and 7,628,266.80 is: 11,442,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,010.80 : 13,122,016.20 = 7,628,266.80 : x
  2. Step 2: Convert to fraction form
    8,748,010.80/13,122,016.20 = 7,628,266.80/x
  3. Step 3: Cross multiply
    8,748,010.80x = 13,122,016.20 × 7,628,266.80
  4. Step 4: Simplify right side
    8,748,010.80x = 100,098,240,527,522.16
  5. Step 5: Solve for x
    x = 100,098,240,527,522.16/8,748,010.80
  6. Step 6: Final answer
    x = 11,442,400.20

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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.