Home / 40,414,832.27-55,772,490.86-21,829,972.29

Finding the Fourth Proportional to 40,414,832.27, 55,772,490.86 and 21,829,972.29

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Solution

The fourth proportional to 40,414,832.27, 55,772,490.86 and 21,829,972.29 is: 30,125,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414,832.27 : 55,772,490.86 = 21,829,972.29 : x
  2. Step 2: Convert to fraction form
    40,414,832.27/55,772,490.86 = 21,829,972.29/x
  3. Step 3: Cross multiply
    40,414,832.27x = 55,772,490.86 × 21,829,972.29
  4. Step 4: Simplify right side
    40,414,832.27x = 1,217,511,930,018,078.25
  5. Step 5: Solve for x
    x = 1,217,511,930,018,078.25/40,414,832.27
  6. Step 6: Final answer
    x = 30,125,373.82

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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.