Home / 18,147,157.50-25,042,846.46-9,887,564

Finding the Fourth Proportional to 18,147,157.50, 25,042,846.46 and 9,887,564

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Solution

The fourth proportional to 18,147,157.50, 25,042,846.46 and 9,887,564 is: 13,644,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,157.50 : 25,042,846.46 = 9,887,564 : x
  2. Step 2: Convert to fraction form
    18,147,157.50/25,042,846.46 = 9,887,564/x
  3. Step 3: Cross multiply
    18,147,157.50x = 25,042,846.46 × 9,887,564
  4. Step 4: Simplify right side
    18,147,157.50x = 247,612,747,115,423.44
  5. Step 5: Solve for x
    x = 247,612,747,115,423.44/18,147,157.50
  6. Step 6: Final answer
    x = 13,644,712.52

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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.