Home / 12,127,523.70-18,193,909.95-3,608,721.30

Finding the Fourth Proportional to 12,127,523.70, 18,193,909.95 and 3,608,721.30

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Solution

The fourth proportional to 12,127,523.70, 18,193,909.95 and 3,608,721.30 is: 5,413,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,523.70 : 18,193,909.95 = 3,608,721.30 : x
  2. Step 2: Convert to fraction form
    12,127,523.70/18,193,909.95 = 3,608,721.30/x
  3. Step 3: Cross multiply
    12,127,523.70x = 18,193,909.95 × 3,608,721.30
  4. Step 4: Simplify right side
    12,127,523.70x = 65,656,750,366,846.93
  5. Step 5: Solve for x
    x = 65,656,750,366,846.93/12,127,523.70
  6. Step 6: Final answer
    x = 5,413,862.88

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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.