Home / 7,079,481.30-9,767,164.77-4,177,419.78

Finding the Fourth Proportional to 7,079,481.30, 9,767,164.77 and 4,177,419.78

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Solution

The fourth proportional to 7,079,481.30, 9,767,164.77 and 4,177,419.78 is: 5,763,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,481.30 : 9,767,164.77 = 4,177,419.78 : x
  2. Step 2: Convert to fraction form
    7,079,481.30/9,767,164.77 = 4,177,419.78/x
  3. Step 3: Cross multiply
    7,079,481.30x = 9,767,164.77 × 4,177,419.78
  4. Step 4: Simplify right side
    7,079,481.30x = 40,801,547,304,717.15
  5. Step 5: Solve for x
    x = 40,801,547,304,717.15/7,079,481.30
  6. Step 6: Final answer
    x = 5,763,352.65

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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.