Home / 28,278,884.23-42,359,473.36-17,992,791.43

Finding the Fourth Proportional to 28,278,884.23, 42,359,473.36 and 17,992,791.43

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Solution

The fourth proportional to 28,278,884.23, 42,359,473.36 and 17,992,791.43 is: 26,951,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,884.23 : 42,359,473.36 = 17,992,791.43 : x
  2. Step 2: Convert to fraction form
    28,278,884.23/42,359,473.36 = 17,992,791.43/x
  3. Step 3: Cross multiply
    28,278,884.23x = 42,359,473.36 × 17,992,791.43
  4. Step 4: Simplify right side
    28,278,884.23x = 762,165,169,251,121.25
  5. Step 5: Solve for x
    x = 762,165,169,251,121.25/28,278,884.23
  6. Step 6: Final answer
    x = 26,951,741.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.