Home / 7,863,023.34-10,854,320.49-5,286,198.69

Finding the Fourth Proportional to 7,863,023.34, 10,854,320.49 and 5,286,198.69

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Solution

The fourth proportional to 7,863,023.34, 10,854,320.49 and 5,286,198.69 is: 7,297,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,023.34 : 10,854,320.49 = 5,286,198.69 : x
  2. Step 2: Convert to fraction form
    7,863,023.34/10,854,320.49 = 5,286,198.69/x
  3. Step 3: Cross multiply
    7,863,023.34x = 10,854,320.49 × 5,286,198.69
  4. Step 4: Simplify right side
    7,863,023.34x = 57,378,094,755,078.16
  5. Step 5: Solve for x
    x = 57,378,094,755,078.16/7,863,023.34
  6. Step 6: Final answer
    x = 7,297,205.19

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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.