Home / 20,702,744.45-28,568,621.26-11,410,286.21

Finding the Fourth Proportional to 20,702,744.45, 28,568,621.26 and 11,410,286.21

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Solution

The fourth proportional to 20,702,744.45, 28,568,621.26 and 11,410,286.21 is: 15,745,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,744.45 : 28,568,621.26 = 11,410,286.21 : x
  2. Step 2: Convert to fraction form
    20,702,744.45/28,568,621.26 = 11,410,286.21/x
  3. Step 3: Cross multiply
    20,702,744.45x = 28,568,621.26 × 11,410,286.21
  4. Step 4: Simplify right side
    20,702,744.45x = 325,976,145,201,690.88
  5. Step 5: Solve for x
    x = 325,976,145,201,690.88/20,702,744.45
  6. Step 6: Final answer
    x = 15,745,552.29

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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.