Home / 9,981,906.82-13,775,072.92-5,398,228.20

Finding the Fourth Proportional to 9,981,906.82, 13,775,072.92 and 5,398,228.20

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Solution

The fourth proportional to 9,981,906.82, 13,775,072.92 and 5,398,228.20 is: 7,449,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,906.82 : 13,775,072.92 = 5,398,228.20 : x
  2. Step 2: Convert to fraction form
    9,981,906.82/13,775,072.92 = 5,398,228.20/x
  3. Step 3: Cross multiply
    9,981,906.82x = 13,775,072.92 × 5,398,228.20
  4. Step 4: Simplify right side
    9,981,906.82x = 74,360,987,062,387.17
  5. Step 5: Solve for x
    x = 74,360,987,062,387.17/9,981,906.82
  6. Step 6: Final answer
    x = 7,449,577.36

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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.