Home / 12,525,866.49-17,286,121.25-11,951,910.21

Finding the Fourth Proportional to 12,525,866.49, 17,286,121.25 and 11,951,910.21

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Solution

The fourth proportional to 12,525,866.49, 17,286,121.25 and 11,951,910.21 is: 16,494,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525,866.49 : 17,286,121.25 = 11,951,910.21 : x
  2. Step 2: Convert to fraction form
    12,525,866.49/17,286,121.25 = 11,951,910.21/x
  3. Step 3: Cross multiply
    12,525,866.49x = 17,286,121.25 × 11,951,910.21
  4. Step 4: Simplify right side
    12,525,866.49x = 206,602,169,176,285.50
  5. Step 5: Solve for x
    x = 206,602,169,176,285.50/12,525,866.49
  6. Step 6: Final answer
    x = 16,494,042.09

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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.