Home / 11,998,538.44-17,999,682.54-3,909,637.96

Finding the Fourth Proportional to 11,998,538.44, 17,999,682.54 and 3,909,637.96

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Solution

The fourth proportional to 11,998,538.44, 17,999,682.54 and 3,909,637.96 is: 5,865,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,538.44 : 17,999,682.54 = 3,909,637.96 : x
  2. Step 2: Convert to fraction form
    11,998,538.44/17,999,682.54 = 3,909,637.96/x
  3. Step 3: Cross multiply
    11,998,538.44x = 17,999,682.54 × 3,909,637.96
  4. Step 4: Simplify right side
    11,998,538.44x = 70,372,242,126,333.22
  5. Step 5: Solve for x
    x = 70,372,242,126,333.22/11,998,538.44
  6. Step 6: Final answer
    x = 5,865,067.86

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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.