Home / 13,962,942.80-20,944,414.20-12,115,365.20

Finding the Fourth Proportional to 13,962,942.80, 20,944,414.20 and 12,115,365.20

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Solution

The fourth proportional to 13,962,942.80, 20,944,414.20 and 12,115,365.20 is: 18,173,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962,942.80 : 20,944,414.20 = 12,115,365.20 : x
  2. Step 2: Convert to fraction form
    13,962,942.80/20,944,414.20 = 12,115,365.20/x
  3. Step 3: Cross multiply
    13,962,942.80x = 20,944,414.20 × 12,115,365.20
  4. Step 4: Simplify right side
    13,962,942.80x = 253,749,226,933,065.81
  5. Step 5: Solve for x
    x = 253,749,226,933,065.81/13,962,942.80
  6. Step 6: Final answer
    x = 18,173,047.80

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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.