Home / 22,591,531.52-31,176,517.92-12,278,278.88

Finding the Fourth Proportional to 22,591,531.52, 31,176,517.92 and 12,278,278.88

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Solution

The fourth proportional to 22,591,531.52, 31,176,517.92 and 12,278,278.88 is: 16,944,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591,531.52 : 31,176,517.92 = 12,278,278.88 : x
  2. Step 2: Convert to fraction form
    22,591,531.52/31,176,517.92 = 12,278,278.88/x
  3. Step 3: Cross multiply
    22,591,531.52x = 31,176,517.92 × 12,278,278.88
  4. Step 4: Simplify right side
    22,591,531.52x = 382,793,981,529,077.56
  5. Step 5: Solve for x
    x = 382,793,981,529,077.56/22,591,531.52
  6. Step 6: Final answer
    x = 16,944,135.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.