Home / 13,111,087.53-18,086,869.83-8,761,241.73

Finding the Fourth Proportional to 13,111,087.53, 18,086,869.83 and 8,761,241.73

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Solution

The fourth proportional to 13,111,087.53, 18,086,869.83 and 8,761,241.73 is: 12,086,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,087.53 : 18,086,869.83 = 8,761,241.73 : x
  2. Step 2: Convert to fraction form
    13,111,087.53/18,086,869.83 = 8,761,241.73/x
  3. Step 3: Cross multiply
    13,111,087.53x = 18,086,869.83 × 8,761,241.73
  4. Step 4: Simplify right side
    13,111,087.53x = 158,463,438,719,674
  5. Step 5: Solve for x
    x = 158,463,438,719,674/13,111,087.53
  6. Step 6: Final answer
    x = 12,086,216.22

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