Home / 18,477,151.20-27,715,945.50-11,192,199.54

Finding the Fourth Proportional to 18,477,151.20, 27,715,945.50 and 11,192,199.54

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Solution

The fourth proportional to 18,477,151.20, 27,715,945.50 and 11,192,199.54 is: 16,788,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,151.20 : 27,715,945.50 = 11,192,199.54 : x
  2. Step 2: Convert to fraction form
    18,477,151.20/27,715,945.50 = 11,192,199.54/x
  3. Step 3: Cross multiply
    18,477,151.20x = 27,715,945.50 × 11,192,199.54
  4. Step 4: Simplify right side
    18,477,151.20x = 310,202,392,475,765.06
  5. Step 5: Solve for x
    x = 310,202,392,475,765.06/18,477,151.20
  6. Step 6: Final answer
    x = 16,788,431.78

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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.