Home / 13,471,184.38-20,219,551.56-8,338,087.12

Finding the Fourth Proportional to 13,471,184.38, 20,219,551.56 and 8,338,087.12

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Solution

The fourth proportional to 13,471,184.38, 20,219,551.56 and 8,338,087.12 is: 12,515,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,184.38 : 20,219,551.56 = 8,338,087.12 : x
  2. Step 2: Convert to fraction form
    13,471,184.38/20,219,551.56 = 8,338,087.12/x
  3. Step 3: Cross multiply
    13,471,184.38x = 20,219,551.56 × 8,338,087.12
  4. Step 4: Simplify right side
    13,471,184.38x = 168,592,382,291,823.72
  5. Step 5: Solve for x
    x = 168,592,382,291,823.72/13,471,184.38
  6. Step 6: Final answer
    x = 12,515,037.85

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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.