Home / 20,241,019.25-27,936,202.76-11,985,664.69

Finding the Fourth Proportional to 20,241,019.25, 27,936,202.76 and 11,985,664.69

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Solution

The fourth proportional to 20,241,019.25, 27,936,202.76 and 11,985,664.69 is: 16,542,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241,019.25 : 27,936,202.76 = 11,985,664.69 : x
  2. Step 2: Convert to fraction form
    20,241,019.25/27,936,202.76 = 11,985,664.69/x
  3. Step 3: Cross multiply
    20,241,019.25x = 27,936,202.76 × 11,985,664.69
  4. Step 4: Simplify right side
    20,241,019.25x = 334,833,958,993,212.56
  5. Step 5: Solve for x
    x = 334,833,958,993,212.56/20,241,019.25
  6. Step 6: Final answer
    x = 16,542,346.75

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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.