Home / 9,378,486.82-12,942,033.84-5,192,358.27

Finding the Fourth Proportional to 9,378,486.82, 12,942,033.84 and 5,192,358.27

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Solution

The fourth proportional to 9,378,486.82, 12,942,033.84 and 5,192,358.27 is: 7,165,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,486.82 : 12,942,033.84 = 5,192,358.27 : x
  2. Step 2: Convert to fraction form
    9,378,486.82/12,942,033.84 = 5,192,358.27/x
  3. Step 3: Cross multiply
    9,378,486.82x = 12,942,033.84 × 5,192,358.27
  4. Step 4: Simplify right side
    9,378,486.82x = 67,199,676,439,743.85
  5. Step 5: Solve for x
    x = 67,199,676,439,743.85/9,378,486.82
  6. Step 6: Final answer
    x = 7,165,300.51

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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.