Home / 20,568,958.72-28,384,548.48-11,276,211.04

Finding the Fourth Proportional to 20,568,958.72, 28,384,548.48 and 11,276,211.04

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Solution

The fourth proportional to 20,568,958.72, 28,384,548.48 and 11,276,211.04 is: 15,560,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568,958.72 : 28,384,548.48 = 11,276,211.04 : x
  2. Step 2: Convert to fraction form
    20,568,958.72/28,384,548.48 = 11,276,211.04/x
  3. Step 3: Cross multiply
    20,568,958.72x = 28,384,548.48 × 11,276,211.04
  4. Step 4: Simplify right side
    20,568,958.72x = 320,070,158,935,591.19
  5. Step 5: Solve for x
    x = 320,070,158,935,591.19/20,568,958.72
  6. Step 6: Final answer
    x = 15,560,834.33

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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.