Home / 21,247,434-29,321,458.92-11,589,642

Finding the Fourth Proportional to 21,247,434, 29,321,458.92 and 11,589,642

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Solution

The fourth proportional to 21,247,434, 29,321,458.92 and 11,589,642 is: 15,993,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,247,434 : 29,321,458.92 = 11,589,642 : x
  2. Step 2: Convert to fraction form
    21,247,434/29,321,458.92 = 11,589,642/x
  3. Step 3: Cross multiply
    21,247,434x = 29,321,458.92 × 11,589,642
  4. Step 4: Simplify right side
    21,247,434x = 339,825,211,800,506.69
  5. Step 5: Solve for x
    x = 339,825,211,800,506.69/21,247,434
  6. Step 6: Final answer
    x = 15,993,705.96

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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.