Home / 15,162,182.56-20,923,761.76-8,286,662.72

Finding the Fourth Proportional to 15,162,182.56, 20,923,761.76 and 8,286,662.72

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Solution

The fourth proportional to 15,162,182.56, 20,923,761.76 and 8,286,662.72 is: 11,435,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162,182.56 : 20,923,761.76 = 8,286,662.72 : x
  2. Step 2: Convert to fraction form
    15,162,182.56/20,923,761.76 = 8,286,662.72/x
  3. Step 3: Cross multiply
    15,162,182.56x = 20,923,761.76 × 8,286,662.72
  4. Step 4: Simplify right side
    15,162,182.56x = 173,388,156,538,753.59
  5. Step 5: Solve for x
    x = 173,388,156,538,753.59/15,162,182.56
  6. Step 6: Final answer
    x = 11,435,567.13

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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.