Home / 21,821,300.80-32,694,911.01-13,167,217.75

Finding the Fourth Proportional to 21,821,300.80, 32,694,911.01 and 13,167,217.75

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Solution

The fourth proportional to 21,821,300.80, 32,694,911.01 and 13,167,217.75 is: 19,728,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821,300.80 : 32,694,911.01 = 13,167,217.75 : x
  2. Step 2: Convert to fraction form
    21,821,300.80/32,694,911.01 = 13,167,217.75/x
  3. Step 3: Cross multiply
    21,821,300.80x = 32,694,911.01 × 13,167,217.75
  4. Step 4: Simplify right side
    21,821,300.80x = 430,501,012,585,542.44
  5. Step 5: Solve for x
    x = 430,501,012,585,542.44/21,821,300.80
  6. Step 6: Final answer
    x = 19,728,476.16

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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.