Home / 31,215,299.56-43,074,194.92-18,653,861.52

Finding the Fourth Proportional to 31,215,299.56, 43,074,194.92 and 18,653,861.52

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Solution

The fourth proportional to 31,215,299.56, 43,074,194.92 and 18,653,861.52 is: 25,740,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215,299.56 : 43,074,194.92 = 18,653,861.52 : x
  2. Step 2: Convert to fraction form
    31,215,299.56/43,074,194.92 = 18,653,861.52/x
  3. Step 3: Cross multiply
    31,215,299.56x = 43,074,194.92 × 18,653,861.52
  4. Step 4: Simplify right side
    31,215,299.56x = 803,500,067,123,167.50
  5. Step 5: Solve for x
    x = 803,500,067,123,167.50/31,215,299.56
  6. Step 6: Final answer
    x = 25,740,584.86

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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.