Home / 20,568,959.72-28,384,549.86-11,276,212.04

Finding the Fourth Proportional to 20,568,959.72, 28,384,549.86 and 11,276,212.04

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Solution

The fourth proportional to 20,568,959.72, 28,384,549.86 and 11,276,212.04 is: 15,560,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568,959.72 : 28,384,549.86 = 11,276,212.04 : x
  2. Step 2: Convert to fraction form
    20,568,959.72/28,384,549.86 = 11,276,212.04/x
  3. Step 3: Cross multiply
    20,568,959.72x = 28,384,549.86 × 11,276,212.04
  4. Step 4: Simplify right side
    20,568,959.72x = 320,070,202,881,312.31
  5. Step 5: Solve for x
    x = 320,070,202,881,312.31/20,568,959.72
  6. Step 6: Final answer
    x = 15,560,835.71

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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.