Home / 15,251,098.55-21,046,439.53-8,281,713.83

Finding the Fourth Proportional to 15,251,098.55, 21,046,439.53 and 8,281,713.83

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Solution

The fourth proportional to 15,251,098.55, 21,046,439.53 and 8,281,713.83 is: 11,428,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,098.55 : 21,046,439.53 = 8,281,713.83 : x
  2. Step 2: Convert to fraction form
    15,251,098.55/21,046,439.53 = 8,281,713.83/x
  3. Step 3: Cross multiply
    15,251,098.55x = 21,046,439.53 × 8,281,713.83
  4. Step 4: Simplify right side
    15,251,098.55x = 174,300,589,327,859.72
  5. Step 5: Solve for x
    x = 174,300,589,327,859.72/15,251,098.55
  6. Step 6: Final answer
    x = 11,428,723.56

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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.