Home / 8,268,277.20-12,374,422.20-7,260,507.60

Finding the Fourth Proportional to 8,268,277.20, 12,374,422.20 and 7,260,507.60

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Solution

The fourth proportional to 8,268,277.20, 12,374,422.20 and 7,260,507.60 is: 10,866,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,277.20 : 12,374,422.20 = 7,260,507.60 : x
  2. Step 2: Convert to fraction form
    8,268,277.20/12,374,422.20 = 7,260,507.60/x
  3. Step 3: Cross multiply
    8,268,277.20x = 12,374,422.20 × 7,260,507.60
  4. Step 4: Simplify right side
    8,268,277.20x = 89,844,586,428,708.70
  5. Step 5: Solve for x
    x = 89,844,586,428,708.70/8,268,277.20
  6. Step 6: Final answer
    x = 10,866,179.77

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1.5x scale

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.