Home / 8,131,816.53-11,221,802.07-4,647,115.43

Finding the Fourth Proportional to 8,131,816.53, 11,221,802.07 and 4,647,115.43

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Solution

The fourth proportional to 8,131,816.53, 11,221,802.07 and 4,647,115.43 is: 6,412,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,816.53 : 11,221,802.07 = 4,647,115.43 : x
  2. Step 2: Convert to fraction form
    8,131,816.53/11,221,802.07 = 4,647,115.43/x
  3. Step 3: Cross multiply
    8,131,816.53x = 11,221,802.07 × 4,647,115.43
  4. Step 4: Simplify right side
    8,131,816.53x = 52,149,009,520,449.01
  5. Step 5: Solve for x
    x = 52,149,009,520,449.01/8,131,816.53
  6. Step 6: Final answer
    x = 6,412,959.43

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1.5x scale

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.