Home / 28,560,076.93-39,412,952.82-15,507,361.09

Finding the Fourth Proportional to 28,560,076.93, 39,412,952.82 and 15,507,361.09

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Solution

The fourth proportional to 28,560,076.93, 39,412,952.82 and 15,507,361.09 is: 21,400,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,076.93 : 39,412,952.82 = 15,507,361.09 : x
  2. Step 2: Convert to fraction form
    28,560,076.93/39,412,952.82 = 15,507,361.09/x
  3. Step 3: Cross multiply
    28,560,076.93x = 39,412,952.82 × 15,507,361.09
  4. Step 4: Simplify right side
    28,560,076.93x = 611,190,891,002,873.75
  5. Step 5: Solve for x
    x = 611,190,891,002,873.75/28,560,076.93
  6. Step 6: Final answer
    x = 21,400,183.64

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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.