Home / 18,125,912.40-27,188,868.60-10,959,550.80

Finding the Fourth Proportional to 18,125,912.40, 27,188,868.60 and 10,959,550.80

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Solution

The fourth proportional to 18,125,912.40, 27,188,868.60 and 10,959,550.80 is: 16,439,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,912.40 : 27,188,868.60 = 10,959,550.80 : x
  2. Step 2: Convert to fraction form
    18,125,912.40/27,188,868.60 = 10,959,550.80/x
  3. Step 3: Cross multiply
    18,125,912.40x = 27,188,868.60 × 10,959,550.80
  4. Step 4: Simplify right side
    18,125,912.40x = 297,977,786,616,224.94
  5. Step 5: Solve for x
    x = 297,977,786,616,224.94/18,125,912.40
  6. Step 6: Final answer
    x = 16,439,326.20

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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.