Home / 17,419,930.35-26,128,207.09-5,289,500.43

Finding the Fourth Proportional to 17,419,930.35, 26,128,207.09 and 5,289,500.43

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Solution

The fourth proportional to 17,419,930.35, 26,128,207.09 and 5,289,500.43 is: 7,933,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,930.35 : 26,128,207.09 = 5,289,500.43 : x
  2. Step 2: Convert to fraction form
    17,419,930.35/26,128,207.09 = 5,289,500.43/x
  3. Step 3: Cross multiply
    17,419,930.35x = 26,128,207.09 × 5,289,500.43
  4. Step 4: Simplify right side
    17,419,930.35x = 138,205,162,644,295.91
  5. Step 5: Solve for x
    x = 138,205,162,644,295.91/17,419,930.35
  6. Step 6: Final answer
    x = 7,933,737.96

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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.