Home / 27,808,467.80-41,759,940.90-20,628,109.40

Finding the Fourth Proportional to 27,808,467.80, 41,759,940.90 and 20,628,109.40

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Solution

The fourth proportional to 27,808,467.80, 41,759,940.90 and 20,628,109.40 is: 30,977,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808,467.80 : 41,759,940.90 = 20,628,109.40 : x
  2. Step 2: Convert to fraction form
    27,808,467.80/41,759,940.90 = 20,628,109.40/x
  3. Step 3: Cross multiply
    27,808,467.80x = 41,759,940.90 × 20,628,109.40
  4. Step 4: Simplify right side
    27,808,467.80x = 861,428,629,422,734.38
  5. Step 5: Solve for x
    x = 861,428,629,422,734.38/27,808,467.80
  6. Step 6: Final answer
    x = 30,977,205.78

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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.