Home / 7,380,908.43-11,074,558.91-3,965,209.71

Finding the Fourth Proportional to 7,380,908.43, 11,074,558.91 and 3,965,209.71

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Solution

The fourth proportional to 7,380,908.43, 11,074,558.91 and 3,965,209.71 is: 5,949,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,908.43 : 11,074,558.91 = 3,965,209.71 : x
  2. Step 2: Convert to fraction form
    7,380,908.43/11,074,558.91 = 3,965,209.71/x
  3. Step 3: Cross multiply
    7,380,908.43x = 11,074,558.91 × 3,965,209.71
  4. Step 4: Simplify right side
    7,380,908.43x = 43,912,948,504,072.96
  5. Step 5: Solve for x
    x = 43,912,948,504,072.96/7,380,908.43
  6. Step 6: Final answer
    x = 5,949,531.68

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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.