Home / 10,991,996.80-16,483,329.60-5,313,961.60

Finding the Fourth Proportional to 10,991,996.80, 16,483,329.60 and 5,313,961.60

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Solution

The fourth proportional to 10,991,996.80, 16,483,329.60 and 5,313,961.60 is: 7,968,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,996.80 : 16,483,329.60 = 5,313,961.60 : x
  2. Step 2: Convert to fraction form
    10,991,996.80/16,483,329.60 = 5,313,961.60/x
  3. Step 3: Cross multiply
    10,991,996.80x = 16,483,329.60 × 5,313,961.60
  4. Step 4: Simplify right side
    10,991,996.80x = 87,591,780,534,543.36
  5. Step 5: Solve for x
    x = 87,591,780,534,543.36/10,991,996.80
  6. Step 6: Final answer
    x = 7,968,686.87

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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.