Home / 8,517,168.54-11,753,632.78-4,649,689.69

Finding the Fourth Proportional to 8,517,168.54, 11,753,632.78 and 4,649,689.69

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Solution

The fourth proportional to 8,517,168.54, 11,753,632.78 and 4,649,689.69 is: 6,416,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,168.54 : 11,753,632.78 = 4,649,689.69 : x
  2. Step 2: Convert to fraction form
    8,517,168.54/11,753,632.78 = 4,649,689.69/x
  3. Step 3: Cross multiply
    8,517,168.54x = 11,753,632.78 × 4,649,689.69
  4. Step 4: Simplify right side
    8,517,168.54x = 54,650,745,116,203.73
  5. Step 5: Solve for x
    x = 54,650,745,116,203.73/8,517,168.54
  6. Step 6: Final answer
    x = 6,416,539.12

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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.