Home / 8,417,174.78-12,625,686.02-2,659,909.36

Finding the Fourth Proportional to 8,417,174.78, 12,625,686.02 and 2,659,909.36

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Solution

The fourth proportional to 8,417,174.78, 12,625,686.02 and 2,659,909.36 is: 3,989,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417,174.78 : 12,625,686.02 = 2,659,909.36 : x
  2. Step 2: Convert to fraction form
    8,417,174.78/12,625,686.02 = 2,659,909.36/x
  3. Step 3: Cross multiply
    8,417,174.78x = 12,625,686.02 × 2,659,909.36
  4. Step 4: Simplify right side
    8,417,174.78x = 33,583,180,396,104.71
  5. Step 5: Solve for x
    x = 33,583,180,396,104.71/8,417,174.78
  6. Step 6: Final answer
    x = 3,989,839.97

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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.