Home / 7,407,968.40-11,135,572.20-6,982,815.60

Finding the Fourth Proportional to 7,407,968.40, 11,135,572.20 and 6,982,815.60

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Solution

The fourth proportional to 7,407,968.40, 11,135,572.20 and 6,982,815.60 is: 10,496,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,968.40 : 11,135,572.20 = 6,982,815.60 : x
  2. Step 2: Convert to fraction form
    7,407,968.40/11,135,572.20 = 6,982,815.60/x
  3. Step 3: Cross multiply
    7,407,968.40x = 11,135,572.20 × 6,982,815.60
  4. Step 4: Simplify right side
    7,407,968.40x = 77,757,647,273,086.31
  5. Step 5: Solve for x
    x = 77,757,647,273,086.31/7,407,968.40
  6. Step 6: Final answer
    x = 10,496,487.44

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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.