Home / 20,251,286.91-27,937,870.13-11,874,380.86

Finding the Fourth Proportional to 20,251,286.91, 27,937,870.13 and 11,874,380.86

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Solution

The fourth proportional to 20,251,286.91, 27,937,870.13 and 11,874,380.86 is: 16,381,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,286.91 : 27,937,870.13 = 11,874,380.86 : x
  2. Step 2: Convert to fraction form
    20,251,286.91/27,937,870.13 = 11,874,380.86/x
  3. Step 3: Cross multiply
    20,251,286.91x = 27,937,870.13 × 11,874,380.86
  4. Step 4: Simplify right side
    20,251,286.91x = 331,744,910,281,465.81
  5. Step 5: Solve for x
    x = 331,744,910,281,465.81/20,251,286.91
  6. Step 6: Final answer
    x = 16,381,423.65

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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.