Home / 18,013,556.89-27,016,283.40-8,288,841.68

Finding the Fourth Proportional to 18,013,556.89, 27,016,283.40 and 8,288,841.68

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Solution

The fourth proportional to 18,013,556.89, 27,016,283.40 and 8,288,841.68 is: 12,431,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013,556.89 : 27,016,283.40 = 8,288,841.68 : x
  2. Step 2: Convert to fraction form
    18,013,556.89/27,016,283.40 = 8,288,841.68/x
  3. Step 3: Cross multiply
    18,013,556.89x = 27,016,283.40 × 8,288,841.68
  4. Step 4: Simplify right side
    18,013,556.89x = 223,933,695,819,758.59
  5. Step 5: Solve for x
    x = 223,933,695,819,758.59/18,013,556.89
  6. Step 6: Final answer
    x = 12,431,398.04

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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.