Home / 9,378,530.23-12,942,093.66-5,192,401.62

Finding the Fourth Proportional to 9,378,530.23, 12,942,093.66 and 5,192,401.62

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Solution

The fourth proportional to 9,378,530.23, 12,942,093.66 and 5,192,401.62 is: 7,165,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,530.23 : 12,942,093.66 = 5,192,401.62 : x
  2. Step 2: Convert to fraction form
    9,378,530.23/12,942,093.66 = 5,192,401.62/x
  3. Step 3: Cross multiply
    9,378,530.23x = 12,942,093.66 × 5,192,401.62
  4. Step 4: Simplify right side
    9,378,530.23x = 67,200,548,086,375.73
  5. Step 5: Solve for x
    x = 67,200,548,086,375.73/9,378,530.23
  6. Step 6: Final answer
    x = 7,165,360.29

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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.