Home / 20,251,287.91-27,937,871.50-11,874,381.86

Finding the Fourth Proportional to 20,251,287.91, 27,937,871.50 and 11,874,381.86

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Solution

The fourth proportional to 20,251,287.91, 27,937,871.50 and 11,874,381.86 is: 16,381,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,287.91 : 27,937,871.50 = 11,874,381.86 : x
  2. Step 2: Convert to fraction form
    20,251,287.91/27,937,871.50 = 11,874,381.86/x
  3. Step 3: Cross multiply
    20,251,287.91x = 27,937,871.50 × 11,874,381.86
  4. Step 4: Simplify right side
    20,251,287.91x = 331,744,954,546,611
  5. Step 5: Solve for x
    x = 331,744,954,546,611/20,251,287.91
  6. Step 6: Final answer
    x = 16,381,425.02

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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.