Home / 9,866,179.92-13,615,382.88-5,515,449.60

Finding the Fourth Proportional to 9,866,179.92, 13,615,382.88 and 5,515,449.60

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Solution

The fourth proportional to 9,866,179.92, 13,615,382.88 and 5,515,449.60 is: 7,611,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866,179.92 : 13,615,382.88 = 5,515,449.60 : x
  2. Step 2: Convert to fraction form
    9,866,179.92/13,615,382.88 = 5,515,449.60/x
  3. Step 3: Cross multiply
    9,866,179.92x = 13,615,382.88 × 5,515,449.60
  4. Step 4: Simplify right side
    9,866,179.92x = 75,094,958,059,342.84
  5. Step 5: Solve for x
    x = 75,094,958,059,342.84/9,866,179.92
  6. Step 6: Final answer
    x = 7,611,350.97

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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.