Home / 28,346,868.27-39,097,791.09-21,377,839.14

Finding the Fourth Proportional to 28,346,868.27, 39,097,791.09 and 21,377,839.14

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Solution

The fourth proportional to 28,346,868.27, 39,097,791.09 and 21,377,839.14 is: 29,485,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,868.27 : 39,097,791.09 = 21,377,839.14 : x
  2. Step 2: Convert to fraction form
    28,346,868.27/39,097,791.09 = 21,377,839.14/x
  3. Step 3: Cross multiply
    28,346,868.27x = 39,097,791.09 × 21,377,839.14
  4. Step 4: Simplify right side
    28,346,868.27x = 835,826,288,651,345.38
  5. Step 5: Solve for x
    x = 835,826,288,651,345.38/28,346,868.27
  6. Step 6: Final answer
    x = 29,485,665.95

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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.