Home / 10,251,698.20-15,367,049.70-5,989,672.60

Finding the Fourth Proportional to 10,251,698.20, 15,367,049.70 and 5,989,672.60

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Solution

The fourth proportional to 10,251,698.20, 15,367,049.70 and 5,989,672.60 is: 8,978,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,698.20 : 15,367,049.70 = 5,989,672.60 : x
  2. Step 2: Convert to fraction form
    10,251,698.20/15,367,049.70 = 5,989,672.60/x
  3. Step 3: Cross multiply
    10,251,698.20x = 15,367,049.70 × 5,989,672.60
  4. Step 4: Simplify right side
    10,251,698.20x = 92,043,596,530,928.20
  5. Step 5: Solve for x
    x = 92,043,596,530,928.20/10,251,698.20
  6. Step 6: Final answer
    x = 8,978,375.56

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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.