Home / 8,085,845.90-12,128,768.85-2,694,672.20

Finding the Fourth Proportional to 8,085,845.90, 12,128,768.85 and 2,694,672.20

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Solution

The fourth proportional to 8,085,845.90, 12,128,768.85 and 2,694,672.20 is: 4,042,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,845.90 : 12,128,768.85 = 2,694,672.20 : x
  2. Step 2: Convert to fraction form
    8,085,845.90/12,128,768.85 = 2,694,672.20/x
  3. Step 3: Cross multiply
    8,085,845.90x = 12,128,768.85 × 2,694,672.20
  4. Step 4: Simplify right side
    8,085,845.90x = 32,683,056,240,320.97
  5. Step 5: Solve for x
    x = 32,683,056,240,320.97/8,085,845.90
  6. Step 6: Final answer
    x = 4,042,008.30

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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.