Home / 7,179,481.24-9,907,747.40-3,916,310.47

Finding the Fourth Proportional to 7,179,481.24, 9,907,747.40 and 3,916,310.47

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Solution

The fourth proportional to 7,179,481.24, 9,907,747.40 and 3,916,310.47 is: 5,404,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,481.24 : 9,907,747.40 = 3,916,310.47 : x
  2. Step 2: Convert to fraction form
    7,179,481.24/9,907,747.40 = 3,916,310.47/x
  3. Step 3: Cross multiply
    7,179,481.24x = 9,907,747.40 × 3,916,310.47
  4. Step 4: Simplify right side
    7,179,481.24x = 38,801,814,876,735.28
  5. Step 5: Solve for x
    x = 38,801,814,876,735.28/7,179,481.24
  6. Step 6: Final answer
    x = 5,404,542.97

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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.