Home / 12,127,525.70-18,193,912.95-3,608,723.30

Finding the Fourth Proportional to 12,127,525.70, 18,193,912.95 and 3,608,723.30

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Solution

The fourth proportional to 12,127,525.70, 18,193,912.95 and 3,608,723.30 is: 5,413,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,525.70 : 18,193,912.95 = 3,608,723.30 : x
  2. Step 2: Convert to fraction form
    12,127,525.70/18,193,912.95 = 3,608,723.30/x
  3. Step 3: Cross multiply
    12,127,525.70x = 18,193,912.95 × 3,608,723.30
  4. Step 4: Simplify right side
    12,127,525.70x = 65,656,797,580,836.73
  5. Step 5: Solve for x
    x = 65,656,797,580,836.73/12,127,525.70
  6. Step 6: Final answer
    x = 5,413,865.88

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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.