Home / 13,027,193.52-17,979,683.19-7,227,843.60

Finding the Fourth Proportional to 13,027,193.52, 17,979,683.19 and 7,227,843.60

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Solution

The fourth proportional to 13,027,193.52, 17,979,683.19 and 7,227,843.60 is: 9,975,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,193.52 : 17,979,683.19 = 7,227,843.60 : x
  2. Step 2: Convert to fraction form
    13,027,193.52/17,979,683.19 = 7,227,843.60/x
  3. Step 3: Cross multiply
    13,027,193.52x = 17,979,683.19 × 7,227,843.60
  4. Step 4: Simplify right side
    13,027,193.52x = 129,954,338,115,188.48
  5. Step 5: Solve for x
    x = 129,954,338,115,188.48/13,027,193.52
  6. Step 6: Final answer
    x = 9,975,620.46

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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.