Home / 17,419,982.87-26,128,285.80-5,289,552.95

Finding the Fourth Proportional to 17,419,982.87, 26,128,285.80 and 5,289,552.95

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Solution

The fourth proportional to 17,419,982.87, 26,128,285.80 and 5,289,552.95 is: 7,933,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,982.87 : 26,128,285.80 = 5,289,552.95 : x
  2. Step 2: Convert to fraction form
    17,419,982.87/26,128,285.80 = 5,289,552.95/x
  3. Step 3: Cross multiply
    17,419,982.87x = 26,128,285.80 × 5,289,552.95
  4. Step 4: Simplify right side
    17,419,982.87x = 138,206,951,101,191.69
  5. Step 5: Solve for x
    x = 138,206,951,101,191.69/17,419,982.87
  6. Step 6: Final answer
    x = 7,933,816.71

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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.