Home / 12,351,786.56-18,526,977.12-3,715,703.36

Finding the Fourth Proportional to 12,351,786.56, 18,526,977.12 and 3,715,703.36

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Solution

The fourth proportional to 12,351,786.56, 18,526,977.12 and 3,715,703.36 is: 5,573,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351,786.56 : 18,526,977.12 = 3,715,703.36 : x
  2. Step 2: Convert to fraction form
    12,351,786.56/18,526,977.12 = 3,715,703.36/x
  3. Step 3: Cross multiply
    12,351,786.56x = 18,526,977.12 × 3,715,703.36
  4. Step 4: Simplify right side
    12,351,786.56x = 68,840,751,135,427.12
  5. Step 5: Solve for x
    x = 68,840,751,135,427.12/12,351,786.56
  6. Step 6: Final answer
    x = 5,573,343.65

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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.