Home / 11,061,021.80-16,591,532.70-9,171,453.80

Finding the Fourth Proportional to 11,061,021.80, 16,591,532.70 and 9,171,453.80

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Solution

The fourth proportional to 11,061,021.80, 16,591,532.70 and 9,171,453.80 is: 13,757,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061,021.80 : 16,591,532.70 = 9,171,453.80 : x
  2. Step 2: Convert to fraction form
    11,061,021.80/16,591,532.70 = 9,171,453.80/x
  3. Step 3: Cross multiply
    11,061,021.80x = 16,591,532.70 × 9,171,453.80
  4. Step 4: Simplify right side
    11,061,021.80x = 152,168,475,629,239.25
  5. Step 5: Solve for x
    x = 152,168,475,629,239.25/11,061,021.80
  6. Step 6: Final answer
    x = 13,757,180.70

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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.