Home / 20,153,172.78-27,794,264.55-17,028,744.30

Finding the Fourth Proportional to 20,153,172.78, 27,794,264.55 and 17,028,744.30

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Solution

The fourth proportional to 20,153,172.78, 27,794,264.55 and 17,028,744.30 is: 23,485,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,172.78 : 27,794,264.55 = 17,028,744.30 : x
  2. Step 2: Convert to fraction form
    20,153,172.78/27,794,264.55 = 17,028,744.30/x
  3. Step 3: Cross multiply
    20,153,172.78x = 27,794,264.55 × 17,028,744.30
  4. Step 4: Simplify right side
    20,153,172.78x = 473,301,424,028,504.62
  5. Step 5: Solve for x
    x = 473,301,424,028,504.62/20,153,172.78
  6. Step 6: Final answer
    x = 23,485,206.48

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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.