Home / 13,469,043.30-20,216,249.55-7,083,878.10

Finding the Fourth Proportional to 13,469,043.30, 20,216,249.55 and 7,083,878.10

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Solution

The fourth proportional to 13,469,043.30, 20,216,249.55 and 7,083,878.10 is: 10,632,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,043.30 : 20,216,249.55 = 7,083,878.10 : x
  2. Step 2: Convert to fraction form
    13,469,043.30/20,216,249.55 = 7,083,878.10/x
  3. Step 3: Cross multiply
    13,469,043.30x = 20,216,249.55 × 7,083,878.10
  4. Step 4: Simplify right side
    13,469,043.30x = 143,209,447,451,379.84
  5. Step 5: Solve for x
    x = 143,209,447,451,379.84/13,469,043.30
  6. Step 6: Final answer
    x = 10,632,488.46

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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.