Home / 12,060,300.60-18,058,958.10-7,777,279.80

Finding the Fourth Proportional to 12,060,300.60, 18,058,958.10 and 7,777,279.80

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Solution

The fourth proportional to 12,060,300.60, 18,058,958.10 and 7,777,279.80 is: 11,645,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060,300.60 : 18,058,958.10 = 7,777,279.80 : x
  2. Step 2: Convert to fraction form
    12,060,300.60/18,058,958.10 = 7,777,279.80/x
  3. Step 3: Cross multiply
    12,060,300.60x = 18,058,958.10 × 7,777,279.80
  4. Step 4: Simplify right side
    12,060,300.60x = 140,449,570,040,176.39
  5. Step 5: Solve for x
    x = 140,449,570,040,176.39/12,060,300.60
  6. Step 6: Final answer
    x = 11,645,611.06

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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.