Home / 39,327,041.96-54,274,549.14-21,689,394.42

Finding the Fourth Proportional to 39,327,041.96, 54,274,549.14 and 21,689,394.42

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Solution

The fourth proportional to 39,327,041.96, 54,274,549.14 and 21,689,394.42 is: 29,933,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327,041.96 : 54,274,549.14 = 21,689,394.42 : x
  2. Step 2: Convert to fraction form
    39,327,041.96/54,274,549.14 = 21,689,394.42/x
  3. Step 3: Cross multiply
    39,327,041.96x = 54,274,549.14 × 21,689,394.42
  4. Step 4: Simplify right side
    39,327,041.96x = 1,177,182,103,265,132
  5. Step 5: Solve for x
    x = 1,177,182,103,265,132/39,327,041.96
  6. Step 6: Final answer
    x = 29,933,146.37

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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.