Home / 7,223,115.87-10,838,398.82-3,385,328.18

Finding the Fourth Proportional to 7,223,115.87, 10,838,398.82 and 3,385,328.18

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Solution

The fourth proportional to 7,223,115.87, 10,838,398.82 and 3,385,328.18 is: 5,079,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,115.87 : 10,838,398.82 = 3,385,328.18 : x
  2. Step 2: Convert to fraction form
    7,223,115.87/10,838,398.82 = 3,385,328.18/x
  3. Step 3: Cross multiply
    7,223,115.87x = 10,838,398.82 × 3,385,328.18
  4. Step 4: Simplify right side
    7,223,115.87x = 36,691,536,951,424.75
  5. Step 5: Solve for x
    x = 36,691,536,951,424.75/7,223,115.87
  6. Step 6: Final answer
    x = 5,079,738.11

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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.