Home / 13,327,374.06-18,393,009-8,099,175.60

Finding the Fourth Proportional to 13,327,374.06, 18,393,009 and 8,099,175.60

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Solution

The fourth proportional to 13,327,374.06, 18,393,009 and 8,099,175.60 is: 11,177,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327,374.06 : 18,393,009 = 8,099,175.60 : x
  2. Step 2: Convert to fraction form
    13,327,374.06/18,393,009 = 8,099,175.60/x
  3. Step 3: Cross multiply
    13,327,374.06x = 18,393,009 × 8,099,175.60
  4. Step 4: Simplify right side
    13,327,374.06x = 148,968,209,703,380.41
  5. Step 5: Solve for x
    x = 148,968,209,703,380.41/13,327,374.06
  6. Step 6: Final answer
    x = 11,177,611.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.