Home / 27,679,409.60-41,519,114.40-20,504,956.10

Finding the Fourth Proportional to 27,679,409.60, 41,519,114.40 and 20,504,956.10

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Solution

The fourth proportional to 27,679,409.60, 41,519,114.40 and 20,504,956.10 is: 30,757,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679,409.60 : 41,519,114.40 = 20,504,956.10 : x
  2. Step 2: Convert to fraction form
    27,679,409.60/41,519,114.40 = 20,504,956.10/x
  3. Step 3: Cross multiply
    27,679,409.60x = 41,519,114.40 × 20,504,956.10
  4. Step 4: Simplify right side
    27,679,409.60x = 851,347,618,082,877.88
  5. Step 5: Solve for x
    x = 851,347,618,082,877.88/27,679,409.60
  6. Step 6: Final answer
    x = 30,757,434.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.