Home / 8,084,357.10-12,128,220.45-2,694,681.90

Finding the Fourth Proportional to 8,084,357.10, 12,128,220.45 and 2,694,681.90

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Solution

The fourth proportional to 8,084,357.10, 12,128,220.45 and 2,694,681.90 is: 4,042,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,357.10 : 12,128,220.45 = 2,694,681.90 : x
  2. Step 2: Convert to fraction form
    8,084,357.10/12,128,220.45 = 2,694,681.90/x
  3. Step 3: Cross multiply
    8,084,357.10x = 12,128,220.45 × 2,694,681.90
  4. Step 4: Simplify right side
    8,084,357.10x = 32,681,696,125,824.85
  5. Step 5: Solve for x
    x = 32,681,696,125,824.85/8,084,357.10
  6. Step 6: Final answer
    x = 4,042,584.43

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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.