Home / 11,591,272.30-17,386,908.45-8,190,049.90

Finding the Fourth Proportional to 11,591,272.30, 17,386,908.45 and 8,190,049.90

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Solution

The fourth proportional to 11,591,272.30, 17,386,908.45 and 8,190,049.90 is: 12,285,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,272.30 : 17,386,908.45 = 8,190,049.90 : x
  2. Step 2: Convert to fraction form
    11,591,272.30/17,386,908.45 = 8,190,049.90/x
  3. Step 3: Cross multiply
    11,591,272.30x = 17,386,908.45 × 8,190,049.90
  4. Step 4: Simplify right side
    11,591,272.30x = 142,399,647,812,231.66
  5. Step 5: Solve for x
    x = 142,399,647,812,231.66/11,591,272.30
  6. Step 6: Final answer
    x = 12,285,074.85

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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.