Home / 31,981,932.72-47,979,903.24-9,263,755.44

Finding the Fourth Proportional to 31,981,932.72, 47,979,903.24 and 9,263,755.44

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Solution

The fourth proportional to 31,981,932.72, 47,979,903.24 and 9,263,755.44 is: 13,897,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981,932.72 : 47,979,903.24 = 9,263,755.44 : x
  2. Step 2: Convert to fraction form
    31,981,932.72/47,979,903.24 = 9,263,755.44/x
  3. Step 3: Cross multiply
    31,981,932.72x = 47,979,903.24 × 9,263,755.44
  4. Step 4: Simplify right side
    31,981,932.72x = 444,474,089,650,223.62
  5. Step 5: Solve for x
    x = 444,474,089,650,223.62/31,981,932.72
  6. Step 6: Final answer
    x = 13,897,661.96

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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.