Home / 12,216,400.26-18,324,655.97-4,129,419.18

Finding the Fourth Proportional to 12,216,400.26, 18,324,655.97 and 4,129,419.18

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Solution

The fourth proportional to 12,216,400.26, 18,324,655.97 and 4,129,419.18 is: 6,194,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,400.26 : 18,324,655.97 = 4,129,419.18 : x
  2. Step 2: Convert to fraction form
    12,216,400.26/18,324,655.97 = 4,129,419.18/x
  3. Step 3: Cross multiply
    12,216,400.26x = 18,324,655.97 × 4,129,419.18
  4. Step 4: Simplify right side
    12,216,400.26x = 75,670,185,829,419.50
  5. Step 5: Solve for x
    x = 75,670,185,829,419.50/12,216,400.26
  6. Step 6: Final answer
    x = 6,194,147.56

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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.