Home / 8,109,340.86-11,190,919.96-4,388,171.88

Finding the Fourth Proportional to 8,109,340.86, 11,190,919.96 and 4,388,171.88

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Solution

The fourth proportional to 8,109,340.86, 11,190,919.96 and 4,388,171.88 is: 6,055,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,340.86 : 11,190,919.96 = 4,388,171.88 : x
  2. Step 2: Convert to fraction form
    8,109,340.86/11,190,919.96 = 4,388,171.88/x
  3. Step 3: Cross multiply
    8,109,340.86x = 11,190,919.96 × 4,388,171.88
  4. Step 4: Simplify right side
    8,109,340.86x = 49,107,680,279,802.73
  5. Step 5: Solve for x
    x = 49,107,680,279,802.73/8,109,340.86
  6. Step 6: Final answer
    x = 6,055,693.20

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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.