Home / 20,775,164.82-31,304,552.91-17,071,611.54

Finding the Fourth Proportional to 20,775,164.82, 31,304,552.91 and 17,071,611.54

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Solution

The fourth proportional to 20,775,164.82, 31,304,552.91 and 17,071,611.54 is: 25,723,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,164.82 : 31,304,552.91 = 17,071,611.54 : x
  2. Step 2: Convert to fraction form
    20,775,164.82/31,304,552.91 = 17,071,611.54/x
  3. Step 3: Cross multiply
    20,775,164.82x = 31,304,552.91 × 17,071,611.54
  4. Step 4: Simplify right side
    20,775,164.82x = 534,419,166,712,896.56
  5. Step 5: Solve for x
    x = 534,419,166,712,896.56/20,775,164.82
  6. Step 6: Final answer
    x = 25,723,943.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.