Home / 18,579,503.10-27,816,110.55-11,405,049.60

Finding the Fourth Proportional to 18,579,503.10, 27,816,110.55 and 11,405,049.60

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Solution

The fourth proportional to 18,579,503.10, 27,816,110.55 and 11,405,049.60 is: 17,074,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579,503.10 : 27,816,110.55 = 11,405,049.60 : x
  2. Step 2: Convert to fraction form
    18,579,503.10/27,816,110.55 = 11,405,049.60/x
  3. Step 3: Cross multiply
    18,579,503.10x = 27,816,110.55 × 11,405,049.60
  4. Step 4: Simplify right side
    18,579,503.10x = 317,244,120,501,833.25
  5. Step 5: Solve for x
    x = 317,244,120,501,833.25/18,579,503.10
  6. Step 6: Final answer
    x = 17,074,951.83

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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.