Home / 28,560,544.20-39,412,474.83-15,507,520.92

Finding the Fourth Proportional to 28,560,544.20, 39,412,474.83 and 15,507,520.92

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Solution

The fourth proportional to 28,560,544.20, 39,412,474.83 and 15,507,520.92 is: 21,399,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,544.20 : 39,412,474.83 = 15,507,520.92 : x
  2. Step 2: Convert to fraction form
    28,560,544.20/39,412,474.83 = 15,507,520.92/x
  3. Step 3: Cross multiply
    28,560,544.20x = 39,412,474.83 × 15,507,520.92
  4. Step 4: Simplify right side
    28,560,544.20x = 611,189,777,935,198.38
  5. Step 5: Solve for x
    x = 611,189,777,935,198.38/28,560,544.20
  6. Step 6: Final answer
    x = 21,399,794.54

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1.5x scale

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.