Home / 13,693,193.67-18,896,839.57-7,498,141.65

Finding the Fourth Proportional to 13,693,193.67, 18,896,839.57 and 7,498,141.65

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Solution

The fourth proportional to 13,693,193.67, 18,896,839.57 and 7,498,141.65 is: 10,347,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,193.67 : 18,896,839.57 = 7,498,141.65 : x
  2. Step 2: Convert to fraction form
    13,693,193.67/18,896,839.57 = 7,498,141.65/x
  3. Step 3: Cross multiply
    13,693,193.67x = 18,896,839.57 × 7,498,141.65
  4. Step 4: Simplify right side
    13,693,193.67x = 141,691,179,800,380.72
  5. Step 5: Solve for x
    x = 141,691,179,800,380.72/13,693,193.67
  6. Step 6: Final answer
    x = 10,347,562.68

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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.