Home / 12,676,645.80-17,494,167.06-7,169,912.82

Finding the Fourth Proportional to 12,676,645.80, 17,494,167.06 and 7,169,912.82

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Solution

The fourth proportional to 12,676,645.80, 17,494,167.06 and 7,169,912.82 is: 9,894,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,645.80 : 17,494,167.06 = 7,169,912.82 : x
  2. Step 2: Convert to fraction form
    12,676,645.80/17,494,167.06 = 7,169,912.82/x
  3. Step 3: Cross multiply
    12,676,645.80x = 17,494,167.06 × 7,169,912.82
  4. Step 4: Simplify right side
    12,676,645.80x = 125,431,652,678,715.70
  5. Step 5: Solve for x
    x = 125,431,652,678,715.70/12,676,645.80
  6. Step 6: Final answer
    x = 9,894,703.59

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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.