Home / 10,780,801.20-16,171,201.80-3,206,782.80

Finding the Fourth Proportional to 10,780,801.20, 16,171,201.80 and 3,206,782.80

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Solution

The fourth proportional to 10,780,801.20, 16,171,201.80 and 3,206,782.80 is: 4,810,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,801.20 : 16,171,201.80 = 3,206,782.80 : x
  2. Step 2: Convert to fraction form
    10,780,801.20/16,171,201.80 = 3,206,782.80/x
  3. Step 3: Cross multiply
    10,780,801.20x = 16,171,201.80 × 3,206,782.80
  4. Step 4: Simplify right side
    10,780,801.20x = 51,857,531,787,569.04
  5. Step 5: Solve for x
    x = 51,857,531,787,569.04/10,780,801.20
  6. Step 6: Final answer
    x = 4,810,174.20

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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.