Home / 18,647,581.92-25,734,846.06-11,306,118.30

Finding the Fourth Proportional to 18,647,581.92, 25,734,846.06 and 11,306,118.30

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Solution

The fourth proportional to 18,647,581.92, 25,734,846.06 and 11,306,118.30 is: 15,603,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647,581.92 : 25,734,846.06 = 11,306,118.30 : x
  2. Step 2: Convert to fraction form
    18,647,581.92/25,734,846.06 = 11,306,118.30/x
  3. Step 3: Cross multiply
    18,647,581.92x = 25,734,846.06 × 11,306,118.30
  4. Step 4: Simplify right side
    18,647,581.92x = 290,961,213,986,648.88
  5. Step 5: Solve for x
    x = 290,961,213,986,648.88/18,647,581.92
  6. Step 6: Final answer
    x = 15,603,160.52

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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.