Home / 10,991,999.80-16,483,334.10-5,313,964.60

Finding the Fourth Proportional to 10,991,999.80, 16,483,334.10 and 5,313,964.60

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Solution

The fourth proportional to 10,991,999.80, 16,483,334.10 and 5,313,964.60 is: 7,968,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,999.80 : 16,483,334.10 = 5,313,964.60 : x
  2. Step 2: Convert to fraction form
    10,991,999.80/16,483,334.10 = 5,313,964.60/x
  3. Step 3: Cross multiply
    10,991,999.80x = 16,483,334.10 × 5,313,964.60
  4. Step 4: Simplify right side
    10,991,999.80x = 87,591,853,897,372.86
  5. Step 5: Solve for x
    x = 87,591,853,897,372.86/10,991,999.80
  6. Step 6: Final answer
    x = 7,968,691.37

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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.