Home / 13,876,517.06-20,835,237.34-7,740,487.80

Finding the Fourth Proportional to 13,876,517.06, 20,835,237.34 and 7,740,487.80

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Solution

The fourth proportional to 13,876,517.06, 20,835,237.34 and 7,740,487.80 is: 11,622,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876,517.06 : 20,835,237.34 = 7,740,487.80 : x
  2. Step 2: Convert to fraction form
    13,876,517.06/20,835,237.34 = 7,740,487.80/x
  3. Step 3: Cross multiply
    13,876,517.06x = 20,835,237.34 × 7,740,487.80
  4. Step 4: Simplify right side
    13,876,517.06x = 161,274,900,440,374.44
  5. Step 5: Solve for x
    x = 161,274,900,440,374.44/13,876,517.06
  6. Step 6: Final answer
    x = 11,622,145.51

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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.