Home / 15,202,195.02-20,979,370.17-8,675,694.54

Finding the Fourth Proportional to 15,202,195.02, 20,979,370.17 and 8,675,694.54

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Solution

The fourth proportional to 15,202,195.02, 20,979,370.17 and 8,675,694.54 is: 11,972,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,195.02 : 20,979,370.17 = 8,675,694.54 : x
  2. Step 2: Convert to fraction form
    15,202,195.02/20,979,370.17 = 8,675,694.54/x
  3. Step 3: Cross multiply
    15,202,195.02x = 20,979,370.17 × 8,675,694.54
  4. Step 4: Simplify right side
    15,202,195.02x = 182,010,607,236,507.88
  5. Step 5: Solve for x
    x = 182,010,607,236,507.88/15,202,195.02
  6. Step 6: Final answer
    x = 11,972,653.09

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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.