Home / 12,282,922.62-16,944,952.14-7,123,293.90

Finding the Fourth Proportional to 12,282,922.62, 16,944,952.14 and 7,123,293.90

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Solution

The fourth proportional to 12,282,922.62, 16,944,952.14 and 7,123,293.90 is: 9,826,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,922.62 : 16,944,952.14 = 7,123,293.90 : x
  2. Step 2: Convert to fraction form
    12,282,922.62/16,944,952.14 = 7,123,293.90/x
  3. Step 3: Cross multiply
    12,282,922.62x = 16,944,952.14 × 7,123,293.90
  4. Step 4: Simplify right side
    12,282,922.62x = 120,703,874,214,653.95
  5. Step 5: Solve for x
    x = 120,703,874,214,653.95/12,282,922.62
  6. Step 6: Final answer
    x = 9,826,966.92

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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.