Home / 20,366,369.13-28,105,394.24-11,073,942.61

Finding the Fourth Proportional to 20,366,369.13, 28,105,394.24 and 11,073,942.61

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Solution

The fourth proportional to 20,366,369.13, 28,105,394.24 and 11,073,942.61 is: 15,281,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366,369.13 : 28,105,394.24 = 11,073,942.61 : x
  2. Step 2: Convert to fraction form
    20,366,369.13/28,105,394.24 = 11,073,942.61/x
  3. Step 3: Cross multiply
    20,366,369.13x = 28,105,394.24 × 11,073,942.61
  4. Step 4: Simplify right side
    20,366,369.13x = 311,237,522,802,605.94
  5. Step 5: Solve for x
    x = 311,237,522,802,605.94/20,366,369.13
  6. Step 6: Final answer
    x = 15,281,934.68

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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.