Home / 39,327,083.06-54,274,605.80-21,689,435.34

Finding the Fourth Proportional to 39,327,083.06, 54,274,605.80 and 21,689,435.34

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Solution

The fourth proportional to 39,327,083.06, 54,274,605.80 and 21,689,435.34 is: 29,933,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327,083.06 : 54,274,605.80 = 21,689,435.34 : x
  2. Step 2: Convert to fraction form
    39,327,083.06/54,274,605.80 = 21,689,435.34/x
  3. Step 3: Cross multiply
    39,327,083.06x = 54,274,605.80 × 21,689,435.34
  4. Step 4: Simplify right side
    39,327,083.06x = 1,177,185,552,994,641.75
  5. Step 5: Solve for x
    x = 1,177,185,552,994,641.75/39,327,083.06
  6. Step 6: Final answer
    x = 29,933,202.81

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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.