Home / 12,679,982.72-17,498,376.24-7,247,591.36

Finding the Fourth Proportional to 12,679,982.72, 17,498,376.24 and 7,247,591.36

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Solution

The fourth proportional to 12,679,982.72, 17,498,376.24 and 7,247,591.36 is: 10,001,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,982.72 : 17,498,376.24 = 7,247,591.36 : x
  2. Step 2: Convert to fraction form
    12,679,982.72/17,498,376.24 = 7,247,591.36/x
  3. Step 3: Cross multiply
    12,679,982.72x = 17,498,376.24 × 7,247,591.36
  4. Step 4: Simplify right side
    12,679,982.72x = 126,821,080,451,053.28
  5. Step 5: Solve for x
    x = 126,821,080,451,053.28/12,679,982.72
  6. Step 6: Final answer
    x = 10,001,676.13

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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.