Home / 31,539,882.36-47,309,508.15-9,974,487.72

Finding the Fourth Proportional to 31,539,882.36, 47,309,508.15 and 9,974,487.72

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Solution

The fourth proportional to 31,539,882.36, 47,309,508.15 and 9,974,487.72 is: 14,961,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,882.36 : 47,309,508.15 = 9,974,487.72 : x
  2. Step 2: Convert to fraction form
    31,539,882.36/47,309,508.15 = 9,974,487.72/x
  3. Step 3: Cross multiply
    31,539,882.36x = 47,309,508.15 × 9,974,487.72
  4. Step 4: Simplify right side
    31,539,882.36x = 471,888,108,081,414.94
  5. Step 5: Solve for x
    x = 471,888,108,081,414.94/31,539,882.36
  6. Step 6: Final answer
    x = 14,961,631.84

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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.