Home / 7,987,456.60-11,982,740.10-3,438,496.60

Finding the Fourth Proportional to 7,987,456.60, 11,982,740.10 and 3,438,496.60

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Solution

The fourth proportional to 7,987,456.60, 11,982,740.10 and 3,438,496.60 is: 5,158,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,456.60 : 11,982,740.10 = 3,438,496.60 : x
  2. Step 2: Convert to fraction form
    7,987,456.60/11,982,740.10 = 3,438,496.60/x
  3. Step 3: Cross multiply
    7,987,456.60x = 11,982,740.10 × 3,438,496.60
  4. Step 4: Simplify right side
    7,987,456.60x = 41,202,611,092,533.66
  5. Step 5: Solve for x
    x = 41,202,611,092,533.66/7,987,456.60
  6. Step 6: Final answer
    x = 5,158,414.39

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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.