Home / 20,082,491.52-27,714,422.88-11,380,374.78

Finding the Fourth Proportional to 20,082,491.52, 27,714,422.88 and 11,380,374.78

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Solution

The fourth proportional to 20,082,491.52, 27,714,422.88 and 11,380,374.78 is: 15,705,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082,491.52 : 27,714,422.88 = 11,380,374.78 : x
  2. Step 2: Convert to fraction form
    20,082,491.52/27,714,422.88 = 11,380,374.78/x
  3. Step 3: Cross multiply
    20,082,491.52x = 27,714,422.88 × 11,380,374.78
  4. Step 4: Simplify right side
    20,082,491.52x = 315,400,519,175,850.75
  5. Step 5: Solve for x
    x = 315,400,519,175,850.75/20,082,491.52
  6. Step 6: Final answer
    x = 15,705,248.47

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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.