Home / 8,306,728.40-12,460,092.60-5,101,461.20

Finding the Fourth Proportional to 8,306,728.40, 12,460,092.60 and 5,101,461.20

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Solution

The fourth proportional to 8,306,728.40, 12,460,092.60 and 5,101,461.20 is: 7,652,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,728.40 : 12,460,092.60 = 5,101,461.20 : x
  2. Step 2: Convert to fraction form
    8,306,728.40/12,460,092.60 = 5,101,461.20/x
  3. Step 3: Cross multiply
    8,306,728.40x = 12,460,092.60 × 5,101,461.20
  4. Step 4: Simplify right side
    8,306,728.40x = 63,564,678,947,307.12
  5. Step 5: Solve for x
    x = 63,564,678,947,307.12/8,306,728.40
  6. Step 6: Final answer
    x = 7,652,191.80

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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.