Home / 12,530,167.80-18,795,251.70-7,491,319.80

Finding the Fourth Proportional to 12,530,167.80, 18,795,251.70 and 7,491,319.80

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Solution

The fourth proportional to 12,530,167.80, 18,795,251.70 and 7,491,319.80 is: 11,236,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,167.80 : 18,795,251.70 = 7,491,319.80 : x
  2. Step 2: Convert to fraction form
    12,530,167.80/18,795,251.70 = 7,491,319.80/x
  3. Step 3: Cross multiply
    12,530,167.80x = 18,795,251.70 × 7,491,319.80
  4. Step 4: Simplify right side
    12,530,167.80x = 140,801,241,206,193.66
  5. Step 5: Solve for x
    x = 140,801,241,206,193.66/12,530,167.80
  6. Step 6: Final answer
    x = 11,236,979.70

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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.