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Finding the Fourth Proportional to 10,361,387.30, 15,542,080.95 and 8,093,905.70

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Solution

The fourth proportional to 10,361,387.30, 15,542,080.95 and 8,093,905.70 is: 12,140,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,387.30 : 15,542,080.95 = 8,093,905.70 : x
  2. Step 2: Convert to fraction form
    10,361,387.30/15,542,080.95 = 8,093,905.70/x
  3. Step 3: Cross multiply
    10,361,387.30x = 15,542,080.95 × 8,093,905.70
  4. Step 4: Simplify right side
    10,361,387.30x = 125,796,137,591,066.41
  5. Step 5: Solve for x
    x = 125,796,137,591,066.41/10,361,387.30
  6. Step 6: Final answer
    x = 12,140,858.55

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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.