Home / 7,945,930.69-10,965,177.89-4,638,858.64

Finding the Fourth Proportional to 7,945,930.69, 10,965,177.89 and 4,638,858.64

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Solution

The fourth proportional to 7,945,930.69, 10,965,177.89 and 4,638,858.64 is: 6,401,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945,930.69 : 10,965,177.89 = 4,638,858.64 : x
  2. Step 2: Convert to fraction form
    7,945,930.69/10,965,177.89 = 4,638,858.64/x
  3. Step 3: Cross multiply
    7,945,930.69x = 10,965,177.89 × 4,638,858.64
  4. Step 4: Simplify right side
    7,945,930.69x = 50,865,910,194,163.47
  5. Step 5: Solve for x
    x = 50,865,910,194,163.47/7,945,930.69
  6. Step 6: Final answer
    x = 6,401,504.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.