Home / 39,412,513.72-54,414,861.18-35,275,380.40

Finding the Fourth Proportional to 39,412,513.72, 54,414,861.18 and 35,275,380.40

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Solution

The fourth proportional to 39,412,513.72, 54,414,861.18 and 35,275,380.40 is: 48,702,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412,513.72 : 54,414,861.18 = 35,275,380.40 : x
  2. Step 2: Convert to fraction form
    39,412,513.72/54,414,861.18 = 35,275,380.40/x
  3. Step 3: Cross multiply
    39,412,513.72x = 54,414,861.18 × 35,275,380.40
  4. Step 4: Simplify right side
    39,412,513.72x = 1,919,504,927,537,692.75
  5. Step 5: Solve for x
    x = 1,919,504,927,537,692.75/39,412,513.72
  6. Step 6: Final answer
    x = 48,702,930.78

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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.