Home / 12,061,640.80-16,644,871.20-6,629,016.16

Finding the Fourth Proportional to 12,061,640.80, 16,644,871.20 and 6,629,016.16

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Solution

The fourth proportional to 12,061,640.80, 16,644,871.20 and 6,629,016.16 is: 9,147,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,640.80 : 16,644,871.20 = 6,629,016.16 : x
  2. Step 2: Convert to fraction form
    12,061,640.80/16,644,871.20 = 6,629,016.16/x
  3. Step 3: Cross multiply
    12,061,640.80x = 16,644,871.20 × 6,629,016.16
  4. Step 4: Simplify right side
    12,061,640.80x = 110,339,120,165,918.59
  5. Step 5: Solve for x
    x = 110,339,120,165,918.59/12,061,640.80
  6. Step 6: Final answer
    x = 9,147,936.17

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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.