Home / 8,487,542.78-12,731,188.17-2,097,794.78

Finding the Fourth Proportional to 8,487,542.78, 12,731,188.17 and 2,097,794.78

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Solution

The fourth proportional to 8,487,542.78, 12,731,188.17 and 2,097,794.78 is: 3,146,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,542.78 : 12,731,188.17 = 2,097,794.78 : x
  2. Step 2: Convert to fraction form
    8,487,542.78/12,731,188.17 = 2,097,794.78/x
  3. Step 3: Cross multiply
    8,487,542.78x = 12,731,188.17 × 2,097,794.78
  4. Step 4: Simplify right side
    8,487,542.78x = 26,707,420,086,223.75
  5. Step 5: Solve for x
    x = 26,707,420,086,223.75/8,487,542.78
  6. Step 6: Final answer
    x = 3,146,661.03

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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.