Home / 39,198,243.96-54,092,160.54-21,556,994.04

Finding the Fourth Proportional to 39,198,243.96, 54,092,160.54 and 21,556,994.04

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Solution

The fourth proportional to 39,198,243.96, 54,092,160.54 and 21,556,994.04 is: 29,747,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,243.96 : 54,092,160.54 = 21,556,994.04 : x
  2. Step 2: Convert to fraction form
    39,198,243.96/54,092,160.54 = 21,556,994.04/x
  3. Step 3: Cross multiply
    39,198,243.96x = 54,092,160.54 × 21,556,994.04
  4. Step 4: Simplify right side
    39,198,243.96x = 1,166,064,382,371,503
  5. Step 5: Solve for x
    x = 1,166,064,382,371,503/39,198,243.96
  6. Step 6: Final answer
    x = 29,747,872.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.