Home / 28,471,304.96-39,290,195.38-15,418,261.04

Finding the Fourth Proportional to 28,471,304.96, 39,290,195.38 and 15,418,261.04

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Solution

The fourth proportional to 28,471,304.96, 39,290,195.38 and 15,418,261.04 is: 21,277,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,304.96 : 39,290,195.38 = 15,418,261.04 : x
  2. Step 2: Convert to fraction form
    28,471,304.96/39,290,195.38 = 15,418,261.04/x
  3. Step 3: Cross multiply
    28,471,304.96x = 39,290,195.38 × 15,418,261.04
  4. Step 4: Simplify right side
    28,471,304.96x = 605,786,488,681,442
  5. Step 5: Solve for x
    x = 605,786,488,681,442/28,471,304.96
  6. Step 6: Final answer
    x = 21,277,088.97

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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.