Home / 20,019,111.12-27,627,294.51-11,317,650.48

Finding the Fourth Proportional to 20,019,111.12, 27,627,294.51 and 11,317,650.48

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Solution

The fourth proportional to 20,019,111.12, 27,627,294.51 and 11,317,650.48 is: 15,618,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,111.12 : 27,627,294.51 = 11,317,650.48 : x
  2. Step 2: Convert to fraction form
    20,019,111.12/27,627,294.51 = 11,317,650.48/x
  3. Step 3: Cross multiply
    20,019,111.12x = 27,627,294.51 × 11,317,650.48
  4. Step 4: Simplify right side
    20,019,111.12x = 312,676,062,972,202.88
  5. Step 5: Solve for x
    x = 312,676,062,972,202.88/20,019,111.12
  6. Step 6: Final answer
    x = 15,618,878.44

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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.