Home / 42,279,892.40-63,419,838.60-15,350,049.20

Finding the Fourth Proportional to 42,279,892.40, 63,419,838.60 and 15,350,049.20

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Solution

The fourth proportional to 42,279,892.40, 63,419,838.60 and 15,350,049.20 is: 23,025,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279,892.40 : 63,419,838.60 = 15,350,049.20 : x
  2. Step 2: Convert to fraction form
    42,279,892.40/63,419,838.60 = 15,350,049.20/x
  3. Step 3: Cross multiply
    42,279,892.40x = 63,419,838.60 × 15,350,049.20
  4. Step 4: Simplify right side
    42,279,892.40x = 973,497,642,766,059.12
  5. Step 5: Solve for x
    x = 973,497,642,766,059.12/42,279,892.40
  6. Step 6: Final answer
    x = 23,025,073.80

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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.