Home / 8,143,568.20-12,215,345.34-2,078,299.44

Finding the Fourth Proportional to 8,143,568.20, 12,215,345.34 and 2,078,299.44

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Solution

The fourth proportional to 8,143,568.20, 12,215,345.34 and 2,078,299.44 is: 3,117,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,568.20 : 12,215,345.34 = 2,078,299.44 : x
  2. Step 2: Convert to fraction form
    8,143,568.20/12,215,345.34 = 2,078,299.44/x
  3. Step 3: Cross multiply
    8,143,568.20x = 12,215,345.34 × 2,078,299.44
  4. Step 4: Simplify right side
    8,143,568.20x = 25,387,145,379,528.61
  5. Step 5: Solve for x
    x = 25,387,145,379,528.61/8,143,568.20
  6. Step 6: Final answer
    x = 3,117,447.38

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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.