Home / 31,508,438.30-47,262,657.45-25,131,146.30

Finding the Fourth Proportional to 31,508,438.30, 47,262,657.45 and 25,131,146.30

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Solution

The fourth proportional to 31,508,438.30, 47,262,657.45 and 25,131,146.30 is: 37,696,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508,438.30 : 47,262,657.45 = 25,131,146.30 : x
  2. Step 2: Convert to fraction form
    31,508,438.30/47,262,657.45 = 25,131,146.30/x
  3. Step 3: Cross multiply
    31,508,438.30x = 47,262,657.45 × 25,131,146.30
  4. Step 4: Simplify right side
    31,508,438.30x = 1,187,764,758,902,735
  5. Step 5: Solve for x
    x = 1,187,764,758,902,735/31,508,438.30
  6. Step 6: Final answer
    x = 37,696,719.45

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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.