Home / 7,206,836.45-9,945,433.89-3,943,651.57

Finding the Fourth Proportional to 7,206,836.45, 9,945,433.89 and 3,943,651.57

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Solution

The fourth proportional to 7,206,836.45, 9,945,433.89 and 3,943,651.57 is: 5,442,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206,836.45 : 9,945,433.89 = 3,943,651.57 : x
  2. Step 2: Convert to fraction form
    7,206,836.45/9,945,433.89 = 3,943,651.57/x
  3. Step 3: Cross multiply
    7,206,836.45x = 9,945,433.89 × 3,943,651.57
  4. Step 4: Simplify right side
    7,206,836.45x = 39,221,325,949,766.12
  5. Step 5: Solve for x
    x = 39,221,325,949,766.12/7,206,836.45
  6. Step 6: Final answer
    x = 5,442,238.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.