Home / 12,253,337.70-18,385,911.45-8,651,348.70

Finding the Fourth Proportional to 12,253,337.70, 18,385,911.45 and 8,651,348.70

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Solution

The fourth proportional to 12,253,337.70, 18,385,911.45 and 8,651,348.70 is: 12,981,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,337.70 : 18,385,911.45 = 8,651,348.70 : x
  2. Step 2: Convert to fraction form
    12,253,337.70/18,385,911.45 = 8,651,348.70/x
  3. Step 3: Cross multiply
    12,253,337.70x = 18,385,911.45 × 8,651,348.70
  4. Step 4: Simplify right side
    12,253,337.70x = 159,062,931,121,272.59
  5. Step 5: Solve for x
    x = 159,062,931,121,272.59/12,253,337.70
  6. Step 6: Final answer
    x = 12,981,192.15

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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.