Home / 13,409,863.20-20,114,794.80-5,324,767.20

Finding the Fourth Proportional to 13,409,863.20, 20,114,794.80 and 5,324,767.20

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Solution

The fourth proportional to 13,409,863.20, 20,114,794.80 and 5,324,767.20 is: 7,987,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,863.20 : 20,114,794.80 = 5,324,767.20 : x
  2. Step 2: Convert to fraction form
    13,409,863.20/20,114,794.80 = 5,324,767.20/x
  3. Step 3: Cross multiply
    13,409,863.20x = 20,114,794.80 × 5,324,767.20
  4. Step 4: Simplify right side
    13,409,863.20x = 107,106,599,585,770.56
  5. Step 5: Solve for x
    x = 107,106,599,585,770.56/13,409,863.20
  6. Step 6: Final answer
    x = 7,987,150.80

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1.5x scale

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.