Home / 7,943,188.54-11,918,806.89-3,624,760.21

Finding the Fourth Proportional to 7,943,188.54, 11,918,806.89 and 3,624,760.21

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Solution

The fourth proportional to 7,943,188.54, 11,918,806.89 and 3,624,760.21 is: 5,438,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943,188.54 : 11,918,806.89 = 3,624,760.21 : x
  2. Step 2: Convert to fraction form
    7,943,188.54/11,918,806.89 = 3,624,760.21/x
  3. Step 3: Cross multiply
    7,943,188.54x = 11,918,806.89 × 3,624,760.21
  4. Step 4: Simplify right side
    7,943,188.54x = 43,202,816,965,545.85
  5. Step 5: Solve for x
    x = 43,202,816,965,545.85/7,943,188.54
  6. Step 6: Final answer
    x = 5,438,976.65

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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.