Home / 13,835,578.55-20,753,367.83-7,458,286.55

Finding the Fourth Proportional to 13,835,578.55, 20,753,367.83 and 7,458,286.55

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Solution

The fourth proportional to 13,835,578.55, 20,753,367.83 and 7,458,286.55 is: 11,187,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,578.55 : 20,753,367.83 = 7,458,286.55 : x
  2. Step 2: Convert to fraction form
    13,835,578.55/20,753,367.83 = 7,458,286.55/x
  3. Step 3: Cross multiply
    13,835,578.55x = 20,753,367.83 × 7,458,286.55
  4. Step 4: Simplify right side
    13,835,578.55x = 154,784,564,116,400.25
  5. Step 5: Solve for x
    x = 154,784,564,116,400.25/13,835,578.55
  6. Step 6: Final answer
    x = 11,187,429.83

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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.