Home / 20,162,282.38-27,826,049.40-12,427,125.82

Finding the Fourth Proportional to 20,162,282.38, 27,826,049.40 and 12,427,125.82

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Solution

The fourth proportional to 20,162,282.38, 27,826,049.40 and 12,427,125.82 is: 17,150,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,282.38 : 27,826,049.40 = 12,427,125.82 : x
  2. Step 2: Convert to fraction form
    20,162,282.38/27,826,049.40 = 12,427,125.82/x
  3. Step 3: Cross multiply
    20,162,282.38x = 27,826,049.40 × 12,427,125.82
  4. Step 4: Simplify right side
    20,162,282.38x = 345,797,816,967,335.50
  5. Step 5: Solve for x
    x = 345,797,816,967,335.50/20,162,282.38
  6. Step 6: Final answer
    x = 17,150,727.80

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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.