Home / 10,991,180.80-16,482,105.60-5,313,145.60

Finding the Fourth Proportional to 10,991,180.80, 16,482,105.60 and 5,313,145.60

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Solution

The fourth proportional to 10,991,180.80, 16,482,105.60 and 5,313,145.60 is: 7,967,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,180.80 : 16,482,105.60 = 5,313,145.60 : x
  2. Step 2: Convert to fraction form
    10,991,180.80/16,482,105.60 = 5,313,145.60/x
  3. Step 3: Cross multiply
    10,991,180.80x = 16,482,105.60 × 5,313,145.60
  4. Step 4: Simplify right side
    10,991,180.80x = 87,571,826,847,375.36
  5. Step 5: Solve for x
    x = 87,571,826,847,375.36/10,991,180.80
  6. Step 6: Final answer
    x = 7,967,463.05

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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.