Home / 9,286,249.84-12,815,024.77-5,211,868.84

Finding the Fourth Proportional to 9,286,249.84, 12,815,024.77 and 5,211,868.84

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Solution

The fourth proportional to 9,286,249.84, 12,815,024.77 and 5,211,868.84 is: 7,192,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,249.84 : 12,815,024.77 = 5,211,868.84 : x
  2. Step 2: Convert to fraction form
    9,286,249.84/12,815,024.77 = 5,211,868.84/x
  3. Step 3: Cross multiply
    9,286,249.84x = 12,815,024.77 × 5,211,868.84
  4. Step 4: Simplify right side
    9,286,249.84x = 66,790,228,282,591.16
  5. Step 5: Solve for x
    x = 66,790,228,282,591.16/9,286,249.84
  6. Step 6: Final answer
    x = 7,192,378.99

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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.