Home / 9,405,542.66-12,979,757.82-5,219,313.50

Finding the Fourth Proportional to 9,405,542.66, 12,979,757.82 and 5,219,313.50

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Solution

The fourth proportional to 9,405,542.66, 12,979,757.82 and 5,219,313.50 is: 7,202,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405,542.66 : 12,979,757.82 = 5,219,313.50 : x
  2. Step 2: Convert to fraction form
    9,405,542.66/12,979,757.82 = 5,219,313.50/x
  3. Step 3: Cross multiply
    9,405,542.66x = 12,979,757.82 × 5,219,313.50
  4. Step 4: Simplify right side
    9,405,542.66x = 67,745,425,216,656.57
  5. Step 5: Solve for x
    x = 67,745,425,216,656.57/9,405,542.66
  6. Step 6: Final answer
    x = 7,202,713.09

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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.