Home / 7,486,540.20-10,331,903.85-4,222,163.88

Finding the Fourth Proportional to 7,486,540.20, 10,331,903.85 and 4,222,163.88

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Solution

The fourth proportional to 7,486,540.20, 10,331,903.85 and 4,222,163.88 is: 5,826,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486,540.20 : 10,331,903.85 = 4,222,163.88 : x
  2. Step 2: Convert to fraction form
    7,486,540.20/10,331,903.85 = 4,222,163.88/x
  3. Step 3: Cross multiply
    7,486,540.20x = 10,331,903.85 × 4,222,163.88
  4. Step 4: Simplify right side
    7,486,540.20x = 43,622,991,247,102.94
  5. Step 5: Solve for x
    x = 43,622,991,247,102.94/7,486,540.20
  6. Step 6: Final answer
    x = 5,826,855.94

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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.