Home / 18,563,126.52-27,872,023.41-10,381,797.82

Finding the Fourth Proportional to 18,563,126.52, 27,872,023.41 and 10,381,797.82

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Solution

The fourth proportional to 18,563,126.52, 27,872,023.41 and 10,381,797.82 is: 15,587,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563,126.52 : 27,872,023.41 = 10,381,797.82 : x
  2. Step 2: Convert to fraction form
    18,563,126.52/27,872,023.41 = 10,381,797.82/x
  3. Step 3: Cross multiply
    18,563,126.52x = 27,872,023.41 × 10,381,797.82
  4. Step 4: Simplify right side
    18,563,126.52x = 289,361,711,876,927
  5. Step 5: Solve for x
    x = 289,361,711,876,927/18,563,126.52
  6. Step 6: Final answer
    x = 15,587,983.61

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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.