Home / 28,431,268.17-39,231,778.38-16,040,639.25

Finding the Fourth Proportional to 28,431,268.17, 39,231,778.38 and 16,040,639.25

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Solution

The fourth proportional to 28,431,268.17, 39,231,778.38 and 16,040,639.25 is: 22,134,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,268.17 : 39,231,778.38 = 16,040,639.25 : x
  2. Step 2: Convert to fraction form
    28,431,268.17/39,231,778.38 = 16,040,639.25/x
  3. Step 3: Cross multiply
    28,431,268.17x = 39,231,778.38 × 16,040,639.25
  4. Step 4: Simplify right side
    28,431,268.17x = 629,302,804,129,529.50
  5. Step 5: Solve for x
    x = 629,302,804,129,529.50/28,431,268.17
  6. Step 6: Final answer
    x = 22,134,179.89

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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.