Home / 8,198,583.05-12,288,090.47-3,815,824.71

Finding the Fourth Proportional to 8,198,583.05, 12,288,090.47 and 3,815,824.71

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Solution

The fourth proportional to 8,198,583.05, 12,288,090.47 and 3,815,824.71 is: 5,719,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,583.05 : 12,288,090.47 = 3,815,824.71 : x
  2. Step 2: Convert to fraction form
    8,198,583.05/12,288,090.47 = 3,815,824.71/x
  3. Step 3: Cross multiply
    8,198,583.05x = 12,288,090.47 × 3,815,824.71
  4. Step 4: Simplify right side
    8,198,583.05x = 46,889,199,235,062.39
  5. Step 5: Solve for x
    x = 46,889,199,235,062.39/8,198,583.05
  6. Step 6: Final answer
    x = 5,719,183.30

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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.