Home / 13,034,926.13-17,988,198.05-7,947,694.13

Finding the Fourth Proportional to 13,034,926.13, 17,988,198.05 and 7,947,694.13

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Solution

The fourth proportional to 13,034,926.13, 17,988,198.05 and 7,947,694.13 is: 10,967,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034,926.13 : 17,988,198.05 = 7,947,694.13 : x
  2. Step 2: Convert to fraction form
    13,034,926.13/17,988,198.05 = 7,947,694.13/x
  3. Step 3: Cross multiply
    13,034,926.13x = 17,988,198.05 × 7,947,694.13
  4. Step 4: Simplify right side
    13,034,926.13x = 142,964,695,981,190.69
  5. Step 5: Solve for x
    x = 142,964,695,981,190.69/13,034,926.13
  6. Step 6: Final answer
    x = 10,967,817.89

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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.