Home / 40,095,375.11-55,331,640.31-21,760,660.61

Finding the Fourth Proportional to 40,095,375.11, 55,331,640.31 and 21,760,660.61

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Solution

The fourth proportional to 40,095,375.11, 55,331,640.31 and 21,760,660.61 is: 30,029,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,095,375.11 : 55,331,640.31 = 21,760,660.61 : x
  2. Step 2: Convert to fraction form
    40,095,375.11/55,331,640.31 = 21,760,660.61/x
  3. Step 3: Cross multiply
    40,095,375.11x = 55,331,640.31 × 21,760,660.61
  4. Step 4: Simplify right side
    40,095,375.11x = 1,204,053,045,780,505.25
  5. Step 5: Solve for x
    x = 1,204,053,045,780,505.25/40,095,375.11
  6. Step 6: Final answer
    x = 30,029,723.94

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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.