Home / 12,171,269.52-16,796,876.78-6,738,761.52

Finding the Fourth Proportional to 12,171,269.52, 16,796,876.78 and 6,738,761.52

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Solution

The fourth proportional to 12,171,269.52, 16,796,876.78 and 6,738,761.52 is: 9,299,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,269.52 : 16,796,876.78 = 6,738,761.52 : x
  2. Step 2: Convert to fraction form
    12,171,269.52/16,796,876.78 = 6,738,761.52/x
  3. Step 3: Cross multiply
    12,171,269.52x = 16,796,876.78 × 6,738,761.52
  4. Step 4: Simplify right side
    12,171,269.52x = 113,190,146,901,245.50
  5. Step 5: Solve for x
    x = 113,190,146,901,245.50/12,171,269.52
  6. Step 6: Final answer
    x = 9,299,781.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.