Home / 31,267,525.20-43,149,188.87-17,329,780.15

Finding the Fourth Proportional to 31,267,525.20, 43,149,188.87 and 17,329,780.15

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Solution

The fourth proportional to 31,267,525.20, 43,149,188.87 and 17,329,780.15 is: 23,915,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267,525.20 : 43,149,188.87 = 17,329,780.15 : x
  2. Step 2: Convert to fraction form
    31,267,525.20/43,149,188.87 = 17,329,780.15/x
  3. Step 3: Cross multiply
    31,267,525.20x = 43,149,188.87 × 17,329,780.15
  4. Step 4: Simplify right side
    31,267,525.20x = 747,765,956,926,969.12
  5. Step 5: Solve for x
    x = 747,765,956,926,969.12/31,267,525.20
  6. Step 6: Final answer
    x = 23,915,098.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.