Home / 6,791,286.78-9,368,884.20-4,036,408.86

Finding the Fourth Proportional to 6,791,286.78, 9,368,884.20 and 4,036,408.86

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Solution

The fourth proportional to 6,791,286.78, 9,368,884.20 and 4,036,408.86 is: 5,568,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791,286.78 : 9,368,884.20 = 4,036,408.86 : x
  2. Step 2: Convert to fraction form
    6,791,286.78/9,368,884.20 = 4,036,408.86/x
  3. Step 3: Cross multiply
    6,791,286.78x = 9,368,884.20 × 4,036,408.86
  4. Step 4: Simplify right side
    6,791,286.78x = 37,816,647,193,194.01
  5. Step 5: Solve for x
    x = 37,816,647,193,194.01/6,791,286.78
  6. Step 6: Final answer
    x = 5,568,406.76

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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.