Home / 12,481,601.80-18,722,402.70-11,641,793.80

Finding the Fourth Proportional to 12,481,601.80, 18,722,402.70 and 11,641,793.80

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Solution

The fourth proportional to 12,481,601.80, 18,722,402.70 and 11,641,793.80 is: 17,462,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,601.80 : 18,722,402.70 = 11,641,793.80 : x
  2. Step 2: Convert to fraction form
    12,481,601.80/18,722,402.70 = 11,641,793.80/x
  3. Step 3: Cross multiply
    12,481,601.80x = 18,722,402.70 × 11,641,793.80
  4. Step 4: Simplify right side
    12,481,601.80x = 217,962,351,673,963.25
  5. Step 5: Solve for x
    x = 217,962,351,673,963.25/12,481,601.80
  6. Step 6: Final answer
    x = 17,462,690.70

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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.