Home / 12,203,576.76-16,918,091.85-11,556,458.04

Finding the Fourth Proportional to 12,203,576.76, 16,918,091.85 and 11,556,458.04

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Solution

The fourth proportional to 12,203,576.76, 16,918,091.85 and 11,556,458.04 is: 16,020,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,576.76 : 16,918,091.85 = 11,556,458.04 : x
  2. Step 2: Convert to fraction form
    12,203,576.76/16,918,091.85 = 11,556,458.04/x
  3. Step 3: Cross multiply
    12,203,576.76x = 16,918,091.85 × 11,556,458.04
  4. Step 4: Simplify right side
    12,203,576.76x = 195,513,218,581,390.97
  5. Step 5: Solve for x
    x = 195,513,218,581,390.97/12,203,576.76
  6. Step 6: Final answer
    x = 16,020,976.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.