Home / 38,079,145.38-57,126,912.28-11,817,462.46

Finding the Fourth Proportional to 38,079,145.38, 57,126,912.28 and 11,817,462.46

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Solution

The fourth proportional to 38,079,145.38, 57,126,912.28 and 11,817,462.46 is: 17,728,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079,145.38 : 57,126,912.28 = 11,817,462.46 : x
  2. Step 2: Convert to fraction form
    38,079,145.38/57,126,912.28 = 11,817,462.46/x
  3. Step 3: Cross multiply
    38,079,145.38x = 57,126,912.28 × 11,817,462.46
  4. Step 4: Simplify right side
    38,079,145.38x = 675,095,141,324,613.12
  5. Step 5: Solve for x
    x = 675,095,141,324,613.12/38,079,145.38
  6. Step 6: Final answer
    x = 17,728,736.68

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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.