Home / 8,682,726-11,982,161.88-4,815,839.28

Finding the Fourth Proportional to 8,682,726, 11,982,161.88 and 4,815,839.28

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Solution

The fourth proportional to 8,682,726, 11,982,161.88 and 4,815,839.28 is: 6,645,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,726 : 11,982,161.88 = 4,815,839.28 : x
  2. Step 2: Convert to fraction form
    8,682,726/11,982,161.88 = 4,815,839.28/x
  3. Step 3: Cross multiply
    8,682,726x = 11,982,161.88 × 4,815,839.28
  4. Step 4: Simplify right side
    8,682,726x = 57,704,165,841,022.66
  5. Step 5: Solve for x
    x = 57,704,165,841,022.66/8,682,726
  6. Step 6: Final answer
    x = 6,645,858.21

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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.