Home / 23,305,712.12-32,162,020.17-13,521,981.86

Finding the Fourth Proportional to 23,305,712.12, 32,162,020.17 and 13,521,981.86

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Solution

The fourth proportional to 23,305,712.12, 32,162,020.17 and 13,521,981.86 is: 18,660,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305,712.12 : 32,162,020.17 = 13,521,981.86 : x
  2. Step 2: Convert to fraction form
    23,305,712.12/32,162,020.17 = 13,521,981.86/x
  3. Step 3: Cross multiply
    23,305,712.12x = 32,162,020.17 × 13,521,981.86
  4. Step 4: Simplify right side
    23,305,712.12x = 434,894,253,319,694.12
  5. Step 5: Solve for x
    x = 434,894,253,319,694.12/23,305,712.12
  6. Step 6: Final answer
    x = 18,660,414.71

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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.