Home / 16,853,622.80-25,213,917.94-12,986,144.98

Finding the Fourth Proportional to 16,853,622.80, 25,213,917.94 and 12,986,144.98

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Solution

The fourth proportional to 16,853,622.80, 25,213,917.94 and 12,986,144.98 is: 19,427,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853,622.80 : 25,213,917.94 = 12,986,144.98 : x
  2. Step 2: Convert to fraction form
    16,853,622.80/25,213,917.94 = 12,986,144.98/x
  3. Step 3: Cross multiply
    16,853,622.80x = 25,213,917.94 × 12,986,144.98
  4. Step 4: Simplify right side
    16,853,622.80x = 327,431,593,787,162.75
  5. Step 5: Solve for x
    x = 327,431,593,787,162.75/16,853,622.80
  6. Step 6: Final answer
    x = 19,427,965.00

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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.