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Finding the Fourth Proportional to 10,361,093.30, 15,541,639.95 and 8,093,611.70

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Solution

The fourth proportional to 10,361,093.30, 15,541,639.95 and 8,093,611.70 is: 12,140,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,093.30 : 15,541,639.95 = 8,093,611.70 : x
  2. Step 2: Convert to fraction form
    10,361,093.30/15,541,639.95 = 8,093,611.70/x
  3. Step 3: Cross multiply
    10,361,093.30x = 15,541,639.95 × 8,093,611.70
  4. Step 4: Simplify right side
    10,361,093.30x = 125,787,998,936,507.41
  5. Step 5: Solve for x
    x = 125,787,998,936,507.41/10,361,093.30
  6. Step 6: Final answer
    x = 12,140,417.55

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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.