Home / 20,271,104.82-27,974,115.73-10,978,675.38

Finding the Fourth Proportional to 20,271,104.82, 27,974,115.73 and 10,978,675.38

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Solution

The fourth proportional to 20,271,104.82, 27,974,115.73 and 10,978,675.38 is: 15,150,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271,104.82 : 27,974,115.73 = 10,978,675.38 : x
  2. Step 2: Convert to fraction form
    20,271,104.82/27,974,115.73 = 10,978,675.38/x
  3. Step 3: Cross multiply
    20,271,104.82x = 27,974,115.73 × 10,978,675.38
  4. Step 4: Simplify right side
    20,271,104.82x = 307,118,735,642,221.75
  5. Step 5: Solve for x
    x = 307,118,735,642,221.75/20,271,104.82
  6. Step 6: Final answer
    x = 15,150,567.19

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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.