Home / 10,378,872.87-15,569,795.04-3,191,010.23

Finding the Fourth Proportional to 10,378,872.87, 15,569,795.04 and 3,191,010.23

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Solution

The fourth proportional to 10,378,872.87, 15,569,795.04 and 3,191,010.23 is: 4,786,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,872.87 : 15,569,795.04 = 3,191,010.23 : x
  2. Step 2: Convert to fraction form
    10,378,872.87/15,569,795.04 = 3,191,010.23/x
  3. Step 3: Cross multiply
    10,378,872.87x = 15,569,795.04 × 3,191,010.23
  4. Step 4: Simplify right side
    10,378,872.87x = 49,683,375,173,794.28
  5. Step 5: Solve for x
    x = 49,683,375,173,794.28/10,378,872.87
  6. Step 6: Final answer
    x = 4,786,972.13

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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.