Home / 12,322,716.80-18,485,310.40-4,234,627.20

Finding the Fourth Proportional to 12,322,716.80, 18,485,310.40 and 4,234,627.20

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Solution

The fourth proportional to 12,322,716.80, 18,485,310.40 and 4,234,627.20 is: 6,352,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,716.80 : 18,485,310.40 = 4,234,627.20 : x
  2. Step 2: Convert to fraction form
    12,322,716.80/18,485,310.40 = 4,234,627.20/x
  3. Step 3: Cross multiply
    12,322,716.80x = 18,485,310.40 × 4,234,627.20
  4. Step 4: Simplify right side
    12,322,716.80x = 78,278,398,220,282.88
  5. Step 5: Solve for x
    x = 78,278,398,220,282.88/12,322,716.80
  6. Step 6: Final answer
    x = 6,352,365.27

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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.