Home / 17,419,986.38-26,128,291.05-5,289,556.46

Finding the Fourth Proportional to 17,419,986.38, 26,128,291.05 and 5,289,556.46

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Solution

The fourth proportional to 17,419,986.38, 26,128,291.05 and 5,289,556.46 is: 7,933,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,986.38 : 26,128,291.05 = 5,289,556.46 : x
  2. Step 2: Convert to fraction form
    17,419,986.38/26,128,291.05 = 5,289,556.46/x
  3. Step 3: Cross multiply
    17,419,986.38x = 26,128,291.05 × 5,289,556.46
  4. Step 4: Simplify right side
    17,419,986.38x = 138,207,070,712,287.69
  5. Step 5: Solve for x
    x = 138,207,070,712,287.69/17,419,986.38
  6. Step 6: Final answer
    x = 7,933,821.97

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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.