Home / 13,942,744.24-20,905,165.32-5,413,992.88

Finding the Fourth Proportional to 13,942,744.24, 20,905,165.32 and 5,413,992.88

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Solution

The fourth proportional to 13,942,744.24, 20,905,165.32 and 5,413,992.88 is: 8,117,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,744.24 : 20,905,165.32 = 5,413,992.88 : x
  2. Step 2: Convert to fraction form
    13,942,744.24/20,905,165.32 = 5,413,992.88/x
  3. Step 3: Cross multiply
    13,942,744.24x = 20,905,165.32 × 5,413,992.88
  4. Step 4: Simplify right side
    13,942,744.24x = 113,180,416,197,702.92
  5. Step 5: Solve for x
    x = 113,180,416,197,702.92/13,942,744.24
  6. Step 6: Final answer
    x = 8,117,513.61

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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.