Home / 8,109,338.86-11,190,917.19-4,388,169.88

Finding the Fourth Proportional to 8,109,338.86, 11,190,917.19 and 4,388,169.88

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Solution

The fourth proportional to 8,109,338.86, 11,190,917.19 and 4,388,169.88 is: 6,055,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,338.86 : 11,190,917.19 = 4,388,169.88 : x
  2. Step 2: Convert to fraction form
    8,109,338.86/11,190,917.19 = 4,388,169.88/x
  3. Step 3: Cross multiply
    8,109,338.86x = 11,190,917.19 × 4,388,169.88
  4. Step 4: Simplify right side
    8,109,338.86x = 49,107,645,742,732.23
  5. Step 5: Solve for x
    x = 49,107,645,742,732.23/8,109,338.86
  6. Step 6: Final answer
    x = 6,055,690.43

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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.