Home / 8,109,318.72-11,190,889.49-4,388,149.76

Finding the Fourth Proportional to 8,109,318.72, 11,190,889.49 and 4,388,149.76

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Solution

The fourth proportional to 8,109,318.72, 11,190,889.49 and 4,388,149.76 is: 6,055,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,318.72 : 11,190,889.49 = 4,388,149.76 : x
  2. Step 2: Convert to fraction form
    8,109,318.72/11,190,889.49 = 4,388,149.76/x
  3. Step 3: Cross multiply
    8,109,318.72x = 11,190,889.49 × 4,388,149.76
  4. Step 4: Simplify right side
    8,109,318.72x = 49,107,298,951,834.82
  5. Step 5: Solve for x
    x = 49,107,298,951,834.82/8,109,318.72
  6. Step 6: Final answer
    x = 6,055,662.71

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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.