Home / 12,682,297.92-17,393,961.48-12,161,481.12

Finding the Fourth Proportional to 12,682,297.92, 17,393,961.48 and 12,161,481.12

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Solution

The fourth proportional to 12,682,297.92, 17,393,961.48 and 12,161,481.12 is: 16,679,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,297.92 : 17,393,961.48 = 12,161,481.12 : x
  2. Step 2: Convert to fraction form
    12,682,297.92/17,393,961.48 = 12,161,481.12/x
  3. Step 3: Cross multiply
    12,682,297.92x = 17,393,961.48 × 12,161,481.12
  4. Step 4: Simplify right side
    12,682,297.92x = 211,536,334,141,027.25
  5. Step 5: Solve for x
    x = 211,536,334,141,027.25/12,682,297.92
  6. Step 6: Final answer
    x = 16,679,653.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.