Home / 8,131,832.42-11,221,824-4,647,131.30

Finding the Fourth Proportional to 8,131,832.42, 11,221,824 and 4,647,131.30

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Solution

The fourth proportional to 8,131,832.42, 11,221,824 and 4,647,131.30 is: 6,412,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,832.42 : 11,221,824 = 4,647,131.30 : x
  2. Step 2: Convert to fraction form
    8,131,832.42/11,221,824 = 4,647,131.30/x
  3. Step 3: Cross multiply
    8,131,832.42x = 11,221,824 × 4,647,131.30
  4. Step 4: Simplify right side
    8,131,832.42x = 52,149,289,553,491.20
  5. Step 5: Solve for x
    x = 52,149,289,553,491.20/8,131,832.42
  6. Step 6: Final answer
    x = 6,412,981.34

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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.