Home / 25,474,234.32-38,179,454.09-20,061,507.74

Finding the Fourth Proportional to 25,474,234.32, 38,179,454.09 and 20,061,507.74

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Solution

The fourth proportional to 25,474,234.32, 38,179,454.09 and 20,061,507.74 is: 30,067,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474,234.32 : 38,179,454.09 = 20,061,507.74 : x
  2. Step 2: Convert to fraction form
    25,474,234.32/38,179,454.09 = 20,061,507.74/x
  3. Step 3: Cross multiply
    25,474,234.32x = 38,179,454.09 × 20,061,507.74
  4. Step 4: Simplify right side
    25,474,234.32x = 765,937,413,444,304.88
  5. Step 5: Solve for x
    x = 765,937,413,444,304.88/25,474,234.32
  6. Step 6: Final answer
    x = 30,067,141.72

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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.