Home / 13,912,953.56-19,200,074.92-8,405,562.68

Finding the Fourth Proportional to 13,912,953.56, 19,200,074.92 and 8,405,562.68

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Solution

The fourth proportional to 13,912,953.56, 19,200,074.92 and 8,405,562.68 is: 11,599,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912,953.56 : 19,200,074.92 = 8,405,562.68 : x
  2. Step 2: Convert to fraction form
    13,912,953.56/19,200,074.92 = 8,405,562.68/x
  3. Step 3: Cross multiply
    13,912,953.56x = 19,200,074.92 × 8,405,562.68
  4. Step 4: Simplify right side
    13,912,953.56x = 161,387,433,200,756
  5. Step 5: Solve for x
    x = 161,387,433,200,756/13,912,953.56
  6. Step 6: Final answer
    x = 11,599,796.73

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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.