Home / 10,687,939.20-16,069,233.60-10,463,990.40

Finding the Fourth Proportional to 10,687,939.20, 16,069,233.60 and 10,463,990.40

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Solution

The fourth proportional to 10,687,939.20, 16,069,233.60 and 10,463,990.40 is: 15,732,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687,939.20 : 16,069,233.60 = 10,463,990.40 : x
  2. Step 2: Convert to fraction form
    10,687,939.20/16,069,233.60 = 10,463,990.40/x
  3. Step 3: Cross multiply
    10,687,939.20x = 16,069,233.60 × 10,463,990.40
  4. Step 4: Simplify right side
    10,687,939.20x = 168,148,306,125,757.44
  5. Step 5: Solve for x
    x = 168,148,306,125,757.44/10,687,939.20
  6. Step 6: Final answer
    x = 15,732,528.32

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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.