Home / 8,168,745.20-12,251,805.60-2,487,648.20

Finding the Fourth Proportional to 8,168,745.20, 12,251,805.60 and 2,487,648.20

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Solution

The fourth proportional to 8,168,745.20, 12,251,805.60 and 2,487,648.20 is: 3,731,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,745.20 : 12,251,805.60 = 2,487,648.20 : x
  2. Step 2: Convert to fraction form
    8,168,745.20/12,251,805.60 = 2,487,648.20/x
  3. Step 3: Cross multiply
    8,168,745.20x = 12,251,805.60 × 2,487,648.20
  4. Step 4: Simplify right side
    8,168,745.20x = 30,478,182,147,589.92
  5. Step 5: Solve for x
    x = 30,478,182,147,589.92/8,168,745.20
  6. Step 6: Final answer
    x = 3,731,072.69

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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.