Home / 8,338,185.20-11,490,969.48-6,682,451.60

Finding the Fourth Proportional to 8,338,185.20, 11,490,969.48 and 6,682,451.60

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Solution

The fourth proportional to 8,338,185.20, 11,490,969.48 and 6,682,451.60 is: 9,209,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,185.20 : 11,490,969.48 = 6,682,451.60 : x
  2. Step 2: Convert to fraction form
    8,338,185.20/11,490,969.48 = 6,682,451.60/x
  3. Step 3: Cross multiply
    8,338,185.20x = 11,490,969.48 × 6,682,451.60
  4. Step 4: Simplify right side
    8,338,185.20x = 76,787,847,387,177.17
  5. Step 5: Solve for x
    x = 76,787,847,387,177.17/8,338,185.20
  6. Step 6: Final answer
    x = 9,209,179.88

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1.5x scale

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.