Home / 13,322,051.68-18,384,876.24-8,164,416.64

Finding the Fourth Proportional to 13,322,051.68, 18,384,876.24 and 8,164,416.64

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Solution

The fourth proportional to 13,322,051.68, 18,384,876.24 and 8,164,416.64 is: 11,267,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,051.68 : 18,384,876.24 = 8,164,416.64 : x
  2. Step 2: Convert to fraction form
    13,322,051.68/18,384,876.24 = 8,164,416.64/x
  3. Step 3: Cross multiply
    13,322,051.68x = 18,384,876.24 × 8,164,416.64
  4. Step 4: Simplify right side
    13,322,051.68x = 150,101,789,498,196.62
  5. Step 5: Solve for x
    x = 150,101,789,498,196.62/13,322,051.68
  6. Step 6: Final answer
    x = 11,267,167.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.