Home / 18,505,484.66-27,760,801.65-7,720,304.73

Finding the Fourth Proportional to 18,505,484.66, 27,760,801.65 and 7,720,304.73

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Solution

The fourth proportional to 18,505,484.66, 27,760,801.65 and 7,720,304.73 is: 11,581,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505,484.66 : 27,760,801.65 = 7,720,304.73 : x
  2. Step 2: Convert to fraction form
    18,505,484.66/27,760,801.65 = 7,720,304.73/x
  3. Step 3: Cross multiply
    18,505,484.66x = 27,760,801.65 × 7,720,304.73
  4. Step 4: Simplify right side
    18,505,484.66x = 214,321,848,287,086.81
  5. Step 5: Solve for x
    x = 214,321,848,287,086.81/18,505,484.66
  6. Step 6: Final answer
    x = 11,581,531.22

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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.