Home / 6,213,429.20-8,570,115.38-4,147,403.10

Finding the Fourth Proportional to 6,213,429.20, 8,570,115.38 and 4,147,403.10

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Solution

The fourth proportional to 6,213,429.20, 8,570,115.38 and 4,147,403.10 is: 5,720,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213,429.20 : 8,570,115.38 = 4,147,403.10 : x
  2. Step 2: Convert to fraction form
    6,213,429.20/8,570,115.38 = 4,147,403.10/x
  3. Step 3: Cross multiply
    6,213,429.20x = 8,570,115.38 × 4,147,403.10
  4. Step 4: Simplify right side
    6,213,429.20x = 35,543,723,073,632.66
  5. Step 5: Solve for x
    x = 35,543,723,073,632.66/6,213,429.20
  6. Step 6: Final answer
    x = 5,720,468.03

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Double scale
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Similar ratio
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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.