Home / 38,564,768.38-57,816,715.61-19,120,587.82

Finding the Fourth Proportional to 38,564,768.38, 57,816,715.61 and 19,120,587.82

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Solution

The fourth proportional to 38,564,768.38, 57,816,715.61 and 19,120,587.82 is: 28,665,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564,768.38 : 57,816,715.61 = 19,120,587.82 : x
  2. Step 2: Convert to fraction form
    38,564,768.38/57,816,715.61 = 19,120,587.82/x
  3. Step 3: Cross multiply
    38,564,768.38x = 57,816,715.61 × 19,120,587.82
  4. Step 4: Simplify right side
    38,564,768.38x = 1,105,489,588,284,969.88
  5. Step 5: Solve for x
    x = 1,105,489,588,284,969.88/38,564,768.38
  6. Step 6: Final answer
    x = 28,665,790.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.