Home / 8,517,916-12,770,575.44-5,151,374.56

Finding the Fourth Proportional to 8,517,916, 12,770,575.44 and 5,151,374.56

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Solution

The fourth proportional to 8,517,916, 12,770,575.44 and 5,151,374.56 is: 7,723,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,916 : 12,770,575.44 = 5,151,374.56 : x
  2. Step 2: Convert to fraction form
    8,517,916/12,770,575.44 = 5,151,374.56/x
  3. Step 3: Cross multiply
    8,517,916x = 12,770,575.44 × 5,151,374.56
  4. Step 4: Simplify right side
    8,517,916x = 65,786,017,438,176.80
  5. Step 5: Solve for x
    x = 65,786,017,438,176.80/8,517,916
  6. Step 6: Final answer
    x = 7,723,252.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.