Home / 18,451,310.96-27,679,607.88-5,672,888.72

Finding the Fourth Proportional to 18,451,310.96, 27,679,607.88 and 5,672,888.72

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Solution

The fourth proportional to 18,451,310.96, 27,679,607.88 and 5,672,888.72 is: 8,510,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,310.96 : 27,679,607.88 = 5,672,888.72 : x
  2. Step 2: Convert to fraction form
    18,451,310.96/27,679,607.88 = 5,672,888.72/x
  3. Step 3: Cross multiply
    18,451,310.96x = 27,679,607.88 × 5,672,888.72
  4. Step 4: Simplify right side
    18,451,310.96x = 157,023,335,316,475.09
  5. Step 5: Solve for x
    x = 157,023,335,316,475.09/18,451,310.96
  6. Step 6: Final answer
    x = 8,510,145.20

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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.