Home / 12,281,609.80-18,422,414.70-10,899,863.20

Finding the Fourth Proportional to 12,281,609.80, 18,422,414.70 and 10,899,863.20

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Solution

The fourth proportional to 12,281,609.80, 18,422,414.70 and 10,899,863.20 is: 16,349,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,609.80 : 18,422,414.70 = 10,899,863.20 : x
  2. Step 2: Convert to fraction form
    12,281,609.80/18,422,414.70 = 10,899,863.20/x
  3. Step 3: Cross multiply
    12,281,609.80x = 18,422,414.70 × 10,899,863.20
  4. Step 4: Simplify right side
    12,281,609.80x = 200,801,800,043,669.03
  5. Step 5: Solve for x
    x = 200,801,800,043,669.03/12,281,609.80
  6. Step 6: Final answer
    x = 16,349,794.80

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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.