Home / 6,143,618.38-8,478,197.01-3,427,364.38

Finding the Fourth Proportional to 6,143,618.38, 8,478,197.01 and 3,427,364.38

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Solution

The fourth proportional to 6,143,618.38, 8,478,197.01 and 3,427,364.38 is: 4,729,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,618.38 : 8,478,197.01 = 3,427,364.38 : x
  2. Step 2: Convert to fraction form
    6,143,618.38/8,478,197.01 = 3,427,364.38/x
  3. Step 3: Cross multiply
    6,143,618.38x = 8,478,197.01 × 3,427,364.38
  4. Step 4: Simplify right side
    6,143,618.38x = 29,057,870,379,168.70
  5. Step 5: Solve for x
    x = 29,057,870,379,168.70/6,143,618.38
  6. Step 6: Final answer
    x = 4,729,764.87

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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.