Home / 7,727,121.82-10,662,894.66-4,289,092.18

Finding the Fourth Proportional to 7,727,121.82, 10,662,894.66 and 4,289,092.18

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Solution

The fourth proportional to 7,727,121.82, 10,662,894.66 and 4,289,092.18 is: 5,918,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,121.82 : 10,662,894.66 = 4,289,092.18 : x
  2. Step 2: Convert to fraction form
    7,727,121.82/10,662,894.66 = 4,289,092.18/x
  3. Step 3: Cross multiply
    7,727,121.82x = 10,662,894.66 × 4,289,092.18
  4. Step 4: Simplify right side
    7,727,121.82x = 45,734,138,102,369.76
  5. Step 5: Solve for x
    x = 45,734,138,102,369.76/7,727,121.82
  6. Step 6: Final answer
    x = 5,918,651.11

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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.