Home / 12,882,524.85-17,777,921.19-7,375,984.16

Finding the Fourth Proportional to 12,882,524.85, 17,777,921.19 and 7,375,984.16

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Solution

The fourth proportional to 12,882,524.85, 17,777,921.19 and 7,375,984.16 is: 10,178,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,524.85 : 17,777,921.19 = 7,375,984.16 : x
  2. Step 2: Convert to fraction form
    12,882,524.85/17,777,921.19 = 7,375,984.16/x
  3. Step 3: Cross multiply
    12,882,524.85x = 17,777,921.19 × 7,375,984.16
  4. Step 4: Simplify right side
    12,882,524.85x = 131,129,665,095,168.36
  5. Step 5: Solve for x
    x = 131,129,665,095,168.36/12,882,524.85
  6. Step 6: Final answer
    x = 10,178,879.27

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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.