Home / 12,339,965.61-18,511,672.23-5,149,853.19

Finding the Fourth Proportional to 12,339,965.61, 18,511,672.23 and 5,149,853.19

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Solution

The fourth proportional to 12,339,965.61, 18,511,672.23 and 5,149,853.19 is: 7,725,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,965.61 : 18,511,672.23 = 5,149,853.19 : x
  2. Step 2: Convert to fraction form
    12,339,965.61/18,511,672.23 = 5,149,853.19/x
  3. Step 3: Cross multiply
    12,339,965.61x = 18,511,672.23 × 5,149,853.19
  4. Step 4: Simplify right side
    12,339,965.61x = 95,332,394,285,899.92
  5. Step 5: Solve for x
    x = 95,332,394,285,899.92/12,339,965.61
  6. Step 6: Final answer
    x = 7,725,499.19

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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.