Home / 12,253,337.20-18,385,910.70-8,651,348.20

Finding the Fourth Proportional to 12,253,337.20, 18,385,910.70 and 8,651,348.20

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Solution

The fourth proportional to 12,253,337.20, 18,385,910.70 and 8,651,348.20 is: 12,981,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,337.20 : 18,385,910.70 = 8,651,348.20 : x
  2. Step 2: Convert to fraction form
    12,253,337.20/18,385,910.70 = 8,651,348.20/x
  3. Step 3: Cross multiply
    12,253,337.20x = 18,385,910.70 × 8,651,348.20
  4. Step 4: Simplify right side
    12,253,337.20x = 159,062,915,439,805.72
  5. Step 5: Solve for x
    x = 159,062,915,439,805.72/12,253,337.20
  6. Step 6: Final answer
    x = 12,981,191.40

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1.5x scale

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.