Home / 20,431,826.82-28,196,110.26-11,264,797.62

Finding the Fourth Proportional to 20,431,826.82, 28,196,110.26 and 11,264,797.62

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Solution

The fourth proportional to 20,431,826.82, 28,196,110.26 and 11,264,797.62 is: 15,545,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431,826.82 : 28,196,110.26 = 11,264,797.62 : x
  2. Step 2: Convert to fraction form
    20,431,826.82/28,196,110.26 = 11,264,797.62/x
  3. Step 3: Cross multiply
    20,431,826.82x = 28,196,110.26 × 11,264,797.62
  4. Step 4: Simplify right side
    20,431,826.82x = 317,623,475,750,105.56
  5. Step 5: Solve for x
    x = 317,623,475,750,105.56/20,431,826.82
  6. Step 6: Final answer
    x = 15,545,525.06

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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.