Home / 13,609,270.80-20,413,906.20-11,761,693.20

Finding the Fourth Proportional to 13,609,270.80, 20,413,906.20 and 11,761,693.20

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Solution

The fourth proportional to 13,609,270.80, 20,413,906.20 and 11,761,693.20 is: 17,642,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,270.80 : 20,413,906.20 = 11,761,693.20 : x
  2. Step 2: Convert to fraction form
    13,609,270.80/20,413,906.20 = 11,761,693.20/x
  3. Step 3: Cross multiply
    13,609,270.80x = 20,413,906.20 × 11,761,693.20
  4. Step 4: Simplify right side
    13,609,270.80x = 240,102,101,737,977.81
  5. Step 5: Solve for x
    x = 240,102,101,737,977.81/13,609,270.80
  6. Step 6: Final answer
    x = 17,642,539.80

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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.