Home / 6,982,979.42-9,635,067.25-4,081,809.11

Finding the Fourth Proportional to 6,982,979.42, 9,635,067.25 and 4,081,809.11

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Solution

The fourth proportional to 6,982,979.42, 9,635,067.25 and 4,081,809.11 is: 5,632,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982,979.42 : 9,635,067.25 = 4,081,809.11 : x
  2. Step 2: Convert to fraction form
    6,982,979.42/9,635,067.25 = 4,081,809.11/x
  3. Step 3: Cross multiply
    6,982,979.42x = 9,635,067.25 × 4,081,809.11
  4. Step 4: Simplify right side
    6,982,979.42x = 39,328,505,218,132.79
  5. Step 5: Solve for x
    x = 39,328,505,218,132.79/6,982,979.42
  6. Step 6: Final answer
    x = 5,632,052.29

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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.