Home / 8,491,571.03-11,718,860-6,394,659.64

Finding the Fourth Proportional to 8,491,571.03, 11,718,860 and 6,394,659.64

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Solution

The fourth proportional to 8,491,571.03, 11,718,860 and 6,394,659.64 is: 8,825,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,571.03 : 11,718,860 = 6,394,659.64 : x
  2. Step 2: Convert to fraction form
    8,491,571.03/11,718,860 = 6,394,659.64/x
  3. Step 3: Cross multiply
    8,491,571.03x = 11,718,860 × 6,394,659.64
  4. Step 4: Simplify right side
    8,491,571.03x = 74,938,121,068,810.39
  5. Step 5: Solve for x
    x = 74,938,121,068,810.39/8,491,571.03
  6. Step 6: Final answer
    x = 8,825,000.79

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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.