Home / 9,286,265.51-12,815,046.21-5,211,884.51

Finding the Fourth Proportional to 9,286,265.51, 12,815,046.21 and 5,211,884.51

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Solution

The fourth proportional to 9,286,265.51, 12,815,046.21 and 5,211,884.51 is: 7,192,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,265.51 : 12,815,046.21 = 5,211,884.51 : x
  2. Step 2: Convert to fraction form
    9,286,265.51/12,815,046.21 = 5,211,884.51/x
  3. Step 3: Cross multiply
    9,286,265.51x = 12,815,046.21 × 5,211,884.51
  4. Step 4: Simplify right side
    9,286,265.51x = 66,790,540,836,833.21
  5. Step 5: Solve for x
    x = 66,790,540,836,833.21/9,286,265.51
  6. Step 6: Final answer
    x = 7,192,400.52

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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.