Home / 19,535,041.60-29,302,562.40-9,979,892.80

Finding the Fourth Proportional to 19,535,041.60, 29,302,562.40 and 9,979,892.80

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Solution

The fourth proportional to 19,535,041.60, 29,302,562.40 and 9,979,892.80 is: 14,969,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535,041.60 : 29,302,562.40 = 9,979,892.80 : x
  2. Step 2: Convert to fraction form
    19,535,041.60/29,302,562.40 = 9,979,892.80/x
  3. Step 3: Cross multiply
    19,535,041.60x = 29,302,562.40 × 9,979,892.80
  4. Step 4: Simplify right side
    19,535,041.60x = 292,436,431,517,310.75
  5. Step 5: Solve for x
    x = 292,436,431,517,310.75/19,535,041.60
  6. Step 6: Final answer
    x = 14,969,839.20

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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.