Home / 18,483,833.18-25,499,203.49-11,959,589.36

Finding the Fourth Proportional to 18,483,833.18, 25,499,203.49 and 11,959,589.36

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Solution

The fourth proportional to 18,483,833.18, 25,499,203.49 and 11,959,589.36 is: 16,498,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483,833.18 : 25,499,203.49 = 11,959,589.36 : x
  2. Step 2: Convert to fraction form
    18,483,833.18/25,499,203.49 = 11,959,589.36/x
  3. Step 3: Cross multiply
    18,483,833.18x = 25,499,203.49 × 11,959,589.36
  4. Step 4: Simplify right side
    18,483,833.18x = 304,960,002,560,184.94
  5. Step 5: Solve for x
    x = 304,960,002,560,184.94/18,483,833.18
  6. Step 6: Final answer
    x = 16,498,742.42

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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.