Home / 13,683,517.72-20,511,104.82-11,261,918.23

Finding the Fourth Proportional to 13,683,517.72, 20,511,104.82 and 11,261,918.23

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Solution

The fourth proportional to 13,683,517.72, 20,511,104.82 and 11,261,918.23 is: 16,881,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683,517.72 : 20,511,104.82 = 11,261,918.23 : x
  2. Step 2: Convert to fraction form
    13,683,517.72/20,511,104.82 = 11,261,918.23/x
  3. Step 3: Cross multiply
    13,683,517.72x = 20,511,104.82 × 11,261,918.23
  4. Step 4: Simplify right side
    13,683,517.72x = 230,994,385,196,288.91
  5. Step 5: Solve for x
    x = 230,994,385,196,288.91/13,683,517.72
  6. Step 6: Final answer
    x = 16,881,213.59

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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.