Home / 13,683,521.72-20,511,110.80-11,261,922.24

Finding the Fourth Proportional to 13,683,521.72, 20,511,110.80 and 11,261,922.24

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Solution

The fourth proportional to 13,683,521.72, 20,511,110.80 and 11,261,922.24 is: 16,881,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683,521.72 : 20,511,110.80 = 11,261,922.24 : x
  2. Step 2: Convert to fraction form
    13,683,521.72/20,511,110.80 = 11,261,922.24/x
  3. Step 3: Cross multiply
    13,683,521.72x = 20,511,110.80 × 11,261,922.24
  4. Step 4: Simplify right side
    13,683,521.72x = 230,994,534,885,624.22
  5. Step 5: Solve for x
    x = 230,994,534,885,624.22/13,683,521.72
  6. Step 6: Final answer
    x = 16,881,219.59

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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.