Home / 11,519,889.60-17,279,716.05-6,659,103.23

Finding the Fourth Proportional to 11,519,889.60, 17,279,716.05 and 6,659,103.23

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Solution

The fourth proportional to 11,519,889.60, 17,279,716.05 and 6,659,103.23 is: 9,988,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519,889.60 : 17,279,716.05 = 6,659,103.23 : x
  2. Step 2: Convert to fraction form
    11,519,889.60/17,279,716.05 = 6,659,103.23/x
  3. Step 3: Cross multiply
    11,519,889.60x = 17,279,716.05 × 6,659,103.23
  4. Step 4: Simplify right side
    11,519,889.60x = 115,067,412,875,639.27
  5. Step 5: Solve for x
    x = 115,067,412,875,639.27/11,519,889.60
  6. Step 6: Final answer
    x = 9,988,586.42

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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.