Home / 12,131,600.88-18,188,412.72-5,734,378.08

Finding the Fourth Proportional to 12,131,600.88, 18,188,412.72 and 5,734,378.08

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Solution

The fourth proportional to 12,131,600.88, 18,188,412.72 and 5,734,378.08 is: 8,597,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,600.88 : 18,188,412.72 = 5,734,378.08 : x
  2. Step 2: Convert to fraction form
    12,131,600.88/18,188,412.72 = 5,734,378.08/x
  3. Step 3: Cross multiply
    12,131,600.88x = 18,188,412.72 × 5,734,378.08
  4. Step 4: Simplify right side
    12,131,600.88x = 104,299,235,211,561.17
  5. Step 5: Solve for x
    x = 104,299,235,211,561.17/12,131,600.88
  6. Step 6: Final answer
    x = 8,597,318.38

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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.