Home / 20,129,968.80-30,159,523.80-17,295,616.80

Finding the Fourth Proportional to 20,129,968.80, 30,159,523.80 and 17,295,616.80

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Solution

The fourth proportional to 20,129,968.80, 30,159,523.80 and 17,295,616.80 is: 25,912,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,968.80 : 30,159,523.80 = 17,295,616.80 : x
  2. Step 2: Convert to fraction form
    20,129,968.80/30,159,523.80 = 17,295,616.80/x
  3. Step 3: Cross multiply
    20,129,968.80x = 30,159,523.80 × 17,295,616.80
  4. Step 4: Simplify right side
    20,129,968.80x = 521,627,566,515,279.88
  5. Step 5: Solve for x
    x = 521,627,566,515,279.88/20,129,968.80
  6. Step 6: Final answer
    x = 25,912,984.35

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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.