Home / 31,434,534.54-47,151,803.97-8,715,432.42

Finding the Fourth Proportional to 31,434,534.54, 47,151,803.97 and 8,715,432.42

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Solution

The fourth proportional to 31,434,534.54, 47,151,803.97 and 8,715,432.42 is: 13,073,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,534.54 : 47,151,803.97 = 8,715,432.42 : x
  2. Step 2: Convert to fraction form
    31,434,534.54/47,151,803.97 = 8,715,432.42/x
  3. Step 3: Cross multiply
    31,434,534.54x = 47,151,803.97 × 8,715,432.42
  4. Step 4: Simplify right side
    31,434,534.54x = 410,948,360,981,622.69
  5. Step 5: Solve for x
    x = 410,948,360,981,622.69/31,434,534.54
  6. Step 6: Final answer
    x = 13,073,149.23

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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.