Home / 13,640,187.38-20,468,992.61-6,452,145.32

Finding the Fourth Proportional to 13,640,187.38, 20,468,992.61 and 6,452,145.32

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Solution

The fourth proportional to 13,640,187.38, 20,468,992.61 and 6,452,145.32 is: 9,682,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,187.38 : 20,468,992.61 = 6,452,145.32 : x
  2. Step 2: Convert to fraction form
    13,640,187.38/20,468,992.61 = 6,452,145.32/x
  3. Step 3: Cross multiply
    13,640,187.38x = 20,468,992.61 × 6,452,145.32
  4. Step 4: Simplify right side
    13,640,187.38x = 132,068,914,787,511.50
  5. Step 5: Solve for x
    x = 132,068,914,787,511.50/13,640,187.38
  6. Step 6: Final answer
    x = 9,682,338.75

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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.