Home / 39,363,638.16-54,321,843.96-21,959,983.44

Finding the Fourth Proportional to 39,363,638.16, 54,321,843.96 and 21,959,983.44

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Solution

The fourth proportional to 39,363,638.16, 54,321,843.96 and 21,959,983.44 is: 30,304,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363,638.16 : 54,321,843.96 = 21,959,983.44 : x
  2. Step 2: Convert to fraction form
    39,363,638.16/54,321,843.96 = 21,959,983.44/x
  3. Step 3: Cross multiply
    39,363,638.16x = 54,321,843.96 × 21,959,983.44
  4. Step 4: Simplify right side
    39,363,638.16x = 1,192,906,793,791,864
  5. Step 5: Solve for x
    x = 1,192,906,793,791,864/39,363,638.16
  6. Step 6: Final answer
    x = 30,304,790.15

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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.