Home / 18,961,778.55-26,157,614.24-11,517,459.57

Finding the Fourth Proportional to 18,961,778.55, 26,157,614.24 and 11,517,459.57

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Solution

The fourth proportional to 18,961,778.55, 26,157,614.24 and 11,517,459.57 is: 15,888,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,778.55 : 26,157,614.24 = 11,517,459.57 : x
  2. Step 2: Convert to fraction form
    18,961,778.55/26,157,614.24 = 11,517,459.57/x
  3. Step 3: Cross multiply
    18,961,778.55x = 26,157,614.24 × 11,517,459.57
  4. Step 4: Simplify right side
    18,961,778.55x = 301,269,264,399,269
  5. Step 5: Solve for x
    x = 301,269,264,399,269/18,961,778.55
  6. Step 6: Final answer
    x = 15,888,238.73

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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.