Home / 6,400,866.89-9,591,188.20-5,196,906.99

Finding the Fourth Proportional to 6,400,866.89, 9,591,188.20 and 5,196,906.99

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Solution

The fourth proportional to 6,400,866.89, 9,591,188.20 and 5,196,906.99 is: 7,787,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,866.89 : 9,591,188.20 = 5,196,906.99 : x
  2. Step 2: Convert to fraction form
    6,400,866.89/9,591,188.20 = 5,196,906.99/x
  3. Step 3: Cross multiply
    6,400,866.89x = 9,591,188.20 × 5,196,906.99
  4. Step 4: Simplify right side
    6,400,866.89x = 49,844,512,973,000.98
  5. Step 5: Solve for x
    x = 49,844,512,973,000.98/6,400,866.89
  6. Step 6: Final answer
    x = 7,787,150.37

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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.