Home / 20,964,375.72-31,446,553.86-5,818,302.36

Finding the Fourth Proportional to 20,964,375.72, 31,446,553.86 and 5,818,302.36

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Solution

The fourth proportional to 20,964,375.72, 31,446,553.86 and 5,818,302.36 is: 8,727,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964,375.72 : 31,446,553.86 = 5,818,302.36 : x
  2. Step 2: Convert to fraction form
    20,964,375.72/31,446,553.86 = 5,818,302.36/x
  3. Step 3: Cross multiply
    20,964,375.72x = 31,446,553.86 × 5,818,302.36
  4. Step 4: Simplify right side
    20,964,375.72x = 182,965,558,537,505.12
  5. Step 5: Solve for x
    x = 182,965,558,537,505.12/20,964,375.72
  6. Step 6: Final answer
    x = 8,727,450.84

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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.