Home / 12,165,515.44-18,245,947.44-3,645,851.80

Finding the Fourth Proportional to 12,165,515.44, 18,245,947.44 and 3,645,851.80

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Solution

The fourth proportional to 12,165,515.44, 18,245,947.44 and 3,645,851.80 is: 5,468,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165,515.44 : 18,245,947.44 = 3,645,851.80 : x
  2. Step 2: Convert to fraction form
    12,165,515.44/18,245,947.44 = 3,645,851.80/x
  3. Step 3: Cross multiply
    12,165,515.44x = 18,245,947.44 × 3,645,851.80
  4. Step 4: Simplify right side
    12,165,515.44x = 66,522,020,316,829.39
  5. Step 5: Solve for x
    x = 66,522,020,316,829.39/12,165,515.44
  6. Step 6: Final answer
    x = 5,468,080.71

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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.