Home / 8,313,620.40-12,449,435.40-5,458,273.20

Finding the Fourth Proportional to 8,313,620.40, 12,449,435.40 and 5,458,273.20

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Solution

The fourth proportional to 8,313,620.40, 12,449,435.40 and 5,458,273.20 is: 8,173,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,620.40 : 12,449,435.40 = 5,458,273.20 : x
  2. Step 2: Convert to fraction form
    8,313,620.40/12,449,435.40 = 5,458,273.20/x
  3. Step 3: Cross multiply
    8,313,620.40x = 12,449,435.40 × 5,458,273.20
  4. Step 4: Simplify right side
    8,313,620.40x = 67,952,419,598,951.28
  5. Step 5: Solve for x
    x = 67,952,419,598,951.28/8,313,620.40
  6. Step 6: Final answer
    x = 8,173,625.49

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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.