Home / 28,040,351.40-42,060,527.10-17,269,813.80

Finding the Fourth Proportional to 28,040,351.40, 42,060,527.10 and 17,269,813.80

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Solution

The fourth proportional to 28,040,351.40, 42,060,527.10 and 17,269,813.80 is: 25,904,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,351.40 : 42,060,527.10 = 17,269,813.80 : x
  2. Step 2: Convert to fraction form
    28,040,351.40/42,060,527.10 = 17,269,813.80/x
  3. Step 3: Cross multiply
    28,040,351.40x = 42,060,527.10 × 17,269,813.80
  4. Step 4: Simplify right side
    28,040,351.40x = 726,377,471,346,854
  5. Step 5: Solve for x
    x = 726,377,471,346,854/28,040,351.40
  6. Step 6: Final answer
    x = 25,904,720.70

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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.