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Finding the Fourth Proportional to 10,693,910.70, 16,040,866.05 and 8,922,440.70

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Solution

The fourth proportional to 10,693,910.70, 16,040,866.05 and 8,922,440.70 is: 13,383,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,910.70 : 16,040,866.05 = 8,922,440.70 : x
  2. Step 2: Convert to fraction form
    10,693,910.70/16,040,866.05 = 8,922,440.70/x
  3. Step 3: Cross multiply
    10,693,910.70x = 16,040,866.05 × 8,922,440.70
  4. Step 4: Simplify right side
    10,693,910.70x = 143,123,676,107,768.22
  5. Step 5: Solve for x
    x = 143,123,676,107,768.22/10,693,910.70
  6. Step 6: Final answer
    x = 13,383,661.05

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Similar ratio
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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.