Home / 9,206,359.88-12,704,777.46-5,131,978.88

Finding the Fourth Proportional to 9,206,359.88, 12,704,777.46 and 5,131,978.88

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Solution

The fourth proportional to 9,206,359.88, 12,704,777.46 and 5,131,978.88 is: 7,082,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,359.88 : 12,704,777.46 = 5,131,978.88 : x
  2. Step 2: Convert to fraction form
    9,206,359.88/12,704,777.46 = 5,131,978.88/x
  3. Step 3: Cross multiply
    9,206,359.88x = 12,704,777.46 × 5,131,978.88
  4. Step 4: Simplify right side
    9,206,359.88x = 65,200,649,536,296.16
  5. Step 5: Solve for x
    x = 65,200,649,536,296.16/9,206,359.88
  6. Step 6: Final answer
    x = 7,082,131.31

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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.