Home / 39,195,520.20-58,789,478.70-11,902,049.28

Finding the Fourth Proportional to 39,195,520.20, 58,789,478.70 and 11,902,049.28

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Solution

The fourth proportional to 39,195,520.20, 58,789,478.70 and 11,902,049.28 is: 17,851,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195,520.20 : 58,789,478.70 = 11,902,049.28 : x
  2. Step 2: Convert to fraction form
    39,195,520.20/58,789,478.70 = 11,902,049.28/x
  3. Step 3: Cross multiply
    39,195,520.20x = 58,789,478.70 × 11,902,049.28
  4. Step 4: Simplify right side
    39,195,520.20x = 699,715,272,632,910.38
  5. Step 5: Solve for x
    x = 699,715,272,632,910.38/39,195,520.20
  6. Step 6: Final answer
    x = 17,851,919.53

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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.