Home / 7,821,760.51-11,736,003.79-3,781,286.55

Finding the Fourth Proportional to 7,821,760.51, 11,736,003.79 and 3,781,286.55

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Solution

The fourth proportional to 7,821,760.51, 11,736,003.79 and 3,781,286.55 is: 5,673,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,760.51 : 11,736,003.79 = 3,781,286.55 : x
  2. Step 2: Convert to fraction form
    7,821,760.51/11,736,003.79 = 3,781,286.55/x
  3. Step 3: Cross multiply
    7,821,760.51x = 11,736,003.79 × 3,781,286.55
  4. Step 4: Simplify right side
    7,821,760.51x = 44,377,193,265,332.89
  5. Step 5: Solve for x
    x = 44,377,193,265,332.89/7,821,760.51
  6. Step 6: Final answer
    x = 5,673,555.62

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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.