Home / 31,508,432.80-47,262,649.20-25,131,140.80

Finding the Fourth Proportional to 31,508,432.80, 47,262,649.20 and 25,131,140.80

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Solution

The fourth proportional to 31,508,432.80, 47,262,649.20 and 25,131,140.80 is: 37,696,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508,432.80 : 47,262,649.20 = 25,131,140.80 : x
  2. Step 2: Convert to fraction form
    31,508,432.80/47,262,649.20 = 25,131,140.80/x
  3. Step 3: Cross multiply
    31,508,432.80x = 47,262,649.20 × 25,131,140.80
  4. Step 4: Simplify right side
    31,508,432.80x = 1,187,764,291,626,207.50
  5. Step 5: Solve for x
    x = 1,187,764,291,626,207.50/31,508,432.80
  6. Step 6: Final answer
    x = 37,696,711.20

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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.