Home / 13,206,121.20-19,809,181.80-11,080,357.20

Finding the Fourth Proportional to 13,206,121.20, 19,809,181.80 and 11,080,357.20

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Solution

The fourth proportional to 13,206,121.20, 19,809,181.80 and 11,080,357.20 is: 16,620,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,121.20 : 19,809,181.80 = 11,080,357.20 : x
  2. Step 2: Convert to fraction form
    13,206,121.20/19,809,181.80 = 11,080,357.20/x
  3. Step 3: Cross multiply
    13,206,121.20x = 19,809,181.80 × 11,080,357.20
  4. Step 4: Simplify right side
    13,206,121.20x = 219,492,810,183,738.97
  5. Step 5: Solve for x
    x = 219,492,810,183,738.97/13,206,121.20
  6. Step 6: Final answer
    x = 16,620,535.80

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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.