Home / 15,170,212.72-22,752,350.22-12,627,759.61

Finding the Fourth Proportional to 15,170,212.72, 22,752,350.22 and 12,627,759.61

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Solution

The fourth proportional to 15,170,212.72, 22,752,350.22 and 12,627,759.61 is: 18,939,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,212.72 : 22,752,350.22 = 12,627,759.61 : x
  2. Step 2: Convert to fraction form
    15,170,212.72/22,752,350.22 = 12,627,759.61/x
  3. Step 3: Cross multiply
    15,170,212.72x = 22,752,350.22 × 12,627,759.61
  4. Step 4: Simplify right side
    15,170,212.72x = 287,311,209,083,809.75
  5. Step 5: Solve for x
    x = 287,311,209,083,809.75/15,170,212.72
  6. Step 6: Final answer
    x = 18,939,168.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.