Home / 21,995,855.38-30,354,610.58-12,206,933.56

Finding the Fourth Proportional to 21,995,855.38, 30,354,610.58 and 12,206,933.56

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Solution

The fourth proportional to 21,995,855.38, 30,354,610.58 and 12,206,933.56 is: 16,845,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995,855.38 : 30,354,610.58 = 12,206,933.56 : x
  2. Step 2: Convert to fraction form
    21,995,855.38/30,354,610.58 = 12,206,933.56/x
  3. Step 3: Cross multiply
    21,995,855.38x = 30,354,610.58 × 12,206,933.56
  4. Step 4: Simplify right side
    21,995,855.38x = 370,536,714,589,733.06
  5. Step 5: Solve for x
    x = 370,536,714,589,733.06/21,995,855.38
  6. Step 6: Final answer
    x = 16,845,751.54

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1.5x scale

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.