Home / 12,829,121.89-17,704,047.29-6,948,609.88

Finding the Fourth Proportional to 12,829,121.89, 17,704,047.29 and 6,948,609.88

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Solution

The fourth proportional to 12,829,121.89, 17,704,047.29 and 6,948,609.88 is: 9,589,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,121.89 : 17,704,047.29 = 6,948,609.88 : x
  2. Step 2: Convert to fraction form
    12,829,121.89/17,704,047.29 = 6,948,609.88/x
  3. Step 3: Cross multiply
    12,829,121.89x = 17,704,047.29 × 6,948,609.88
  4. Step 4: Simplify right side
    12,829,121.89x = 123,018,517,826,760.98
  5. Step 5: Solve for x
    x = 123,018,517,826,760.98/12,829,121.89
  6. Step 6: Final answer
    x = 9,589,005.30

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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.