Home / 11,381,903.80-17,085,297.30-7,126,876.60

Finding the Fourth Proportional to 11,381,903.80, 17,085,297.30 and 7,126,876.60

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Solution

The fourth proportional to 11,381,903.80, 17,085,297.30 and 7,126,876.60 is: 10,698,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381,903.80 : 17,085,297.30 = 7,126,876.60 : x
  2. Step 2: Convert to fraction form
    11,381,903.80/17,085,297.30 = 7,126,876.60/x
  3. Step 3: Cross multiply
    11,381,903.80x = 17,085,297.30 × 7,126,876.60
  4. Step 4: Simplify right side
    11,381,903.80x = 121,764,805,531,413.17
  5. Step 5: Solve for x
    x = 121,764,805,531,413.17/11,381,903.80
  6. Step 6: Final answer
    x = 10,698,105.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.