Home / 31,981,930.72-47,979,900.24-9,263,753.44

Finding the Fourth Proportional to 31,981,930.72, 47,979,900.24 and 9,263,753.44

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Solution

The fourth proportional to 31,981,930.72, 47,979,900.24 and 9,263,753.44 is: 13,897,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981,930.72 : 47,979,900.24 = 9,263,753.44 : x
  2. Step 2: Convert to fraction form
    31,981,930.72/47,979,900.24 = 9,263,753.44/x
  3. Step 3: Cross multiply
    31,981,930.72x = 47,979,900.24 × 9,263,753.44
  4. Step 4: Simplify right side
    31,981,930.72x = 444,473,965,899,156.81
  5. Step 5: Solve for x
    x = 444,473,965,899,156.81/31,981,930.72
  6. Step 6: Final answer
    x = 13,897,658.96

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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.