Home / 39,577,680.35-54,620,471.09-21,942,116.97

Finding the Fourth Proportional to 39,577,680.35, 54,620,471.09 and 21,942,116.97

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Solution

The fourth proportional to 39,577,680.35, 54,620,471.09 and 21,942,116.97 is: 30,281,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,577,680.35 : 54,620,471.09 = 21,942,116.97 : x
  2. Step 2: Convert to fraction form
    39,577,680.35/54,620,471.09 = 21,942,116.97/x
  3. Step 3: Cross multiply
    39,577,680.35x = 54,620,471.09 × 21,942,116.97
  4. Step 4: Simplify right side
    39,577,680.35x = 1,198,488,765,506,114.25
  5. Step 5: Solve for x
    x = 1,198,488,765,506,114.25/39,577,680.35
  6. Step 6: Final answer
    x = 30,281,935.55

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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.