Home / 6,821,211.92-9,413,295-3,765,418.88

Finding the Fourth Proportional to 6,821,211.92, 9,413,295 and 3,765,418.88

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Solution

The fourth proportional to 6,821,211.92, 9,413,295 and 3,765,418.88 is: 5,196,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,211.92 : 9,413,295 = 3,765,418.88 : x
  2. Step 2: Convert to fraction form
    6,821,211.92/9,413,295 = 3,765,418.88/x
  3. Step 3: Cross multiply
    6,821,211.92x = 9,413,295 × 3,765,418.88
  4. Step 4: Simplify right side
    6,821,211.92x = 35,444,998,716,009.60
  5. Step 5: Solve for x
    x = 35,444,998,716,009.60/6,821,211.92
  6. Step 6: Final answer
    x = 5,196,290.50

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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.