Home / 7,619,930.85-10,515,581.52-4,135,299.69

Finding the Fourth Proportional to 7,619,930.85, 10,515,581.52 and 4,135,299.69

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Solution

The fourth proportional to 7,619,930.85, 10,515,581.52 and 4,135,299.69 is: 5,706,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619,930.85 : 10,515,581.52 = 4,135,299.69 : x
  2. Step 2: Convert to fraction form
    7,619,930.85/10,515,581.52 = 4,135,299.69/x
  3. Step 3: Cross multiply
    7,619,930.85x = 10,515,581.52 × 4,135,299.69
  4. Step 4: Simplify right side
    7,619,930.85x = 43,485,080,999,825.73
  5. Step 5: Solve for x
    x = 43,485,080,999,825.73/7,619,930.85
  6. Step 6: Final answer
    x = 5,706,755.33

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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.