Home / 6,513,124.55-8,989,188.06-3,613,449.62

Finding the Fourth Proportional to 6,513,124.55, 8,989,188.06 and 3,613,449.62

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Solution

The fourth proportional to 6,513,124.55, 8,989,188.06 and 3,613,449.62 is: 4,987,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,124.55 : 8,989,188.06 = 3,613,449.62 : x
  2. Step 2: Convert to fraction form
    6,513,124.55/8,989,188.06 = 3,613,449.62/x
  3. Step 3: Cross multiply
    6,513,124.55x = 8,989,188.06 × 3,613,449.62
  4. Step 4: Simplify right side
    6,513,124.55x = 32,481,978,179,515.54
  5. Step 5: Solve for x
    x = 32,481,978,179,515.54/6,513,124.55
  6. Step 6: Final answer
    x = 4,987,157.54

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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.