Home / 6,770,198.38-9,342,873.77-3,869,651.53

Finding the Fourth Proportional to 6,770,198.38, 9,342,873.77 and 3,869,651.53

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Solution

The fourth proportional to 6,770,198.38, 9,342,873.77 and 3,869,651.53 is: 5,340,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770,198.38 : 9,342,873.77 = 3,869,651.53 : x
  2. Step 2: Convert to fraction form
    6,770,198.38/9,342,873.77 = 3,869,651.53/x
  3. Step 3: Cross multiply
    6,770,198.38x = 9,342,873.77 × 3,869,651.53
  4. Step 4: Simplify right side
    6,770,198.38x = 36,153,665,778,677.37
  5. Step 5: Solve for x
    x = 36,153,665,778,677.37/6,770,198.38
  6. Step 6: Final answer
    x = 5,340,119.11

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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.