Home / 7,948,822.80-11,924,789.40-3,399,862.80

Finding the Fourth Proportional to 7,948,822.80, 11,924,789.40 and 3,399,862.80

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Solution

The fourth proportional to 7,948,822.80, 11,924,789.40 and 3,399,862.80 is: 5,100,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948,822.80 : 11,924,789.40 = 3,399,862.80 : x
  2. Step 2: Convert to fraction form
    7,948,822.80/11,924,789.40 = 3,399,862.80/x
  3. Step 3: Cross multiply
    7,948,822.80x = 11,924,789.40 × 3,399,862.80
  4. Step 4: Simplify right side
    7,948,822.80x = 40,542,647,878,894.32
  5. Step 5: Solve for x
    x = 40,542,647,878,894.32/7,948,822.80
  6. Step 6: Final answer
    x = 5,100,459.39

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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.