Home / 12,659,196.98-17,479,704.21-11,691,940.34

Finding the Fourth Proportional to 12,659,196.98, 17,479,704.21 and 11,691,940.34

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Solution

The fourth proportional to 12,659,196.98, 17,479,704.21 and 11,691,940.34 is: 16,144,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,196.98 : 17,479,704.21 = 11,691,940.34 : x
  2. Step 2: Convert to fraction form
    12,659,196.98/17,479,704.21 = 11,691,940.34/x
  3. Step 3: Cross multiply
    12,659,196.98x = 17,479,704.21 × 11,691,940.34
  4. Step 4: Simplify right side
    12,659,196.98x = 204,371,658,784,166.84
  5. Step 5: Solve for x
    x = 204,371,658,784,166.84/12,659,196.98
  6. Step 6: Final answer
    x = 16,144,125.03

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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.