Home / 20,129,519.30-30,158,849.55-17,295,167.30

Finding the Fourth Proportional to 20,129,519.30, 30,158,849.55 and 17,295,167.30

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Solution

The fourth proportional to 20,129,519.30, 30,158,849.55 and 17,295,167.30 is: 25,912,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,519.30 : 30,158,849.55 = 17,295,167.30 : x
  2. Step 2: Convert to fraction form
    20,129,519.30/30,158,849.55 = 17,295,167.30/x
  3. Step 3: Cross multiply
    20,129,519.30x = 30,158,849.55 × 17,295,167.30
  4. Step 4: Simplify right side
    20,129,519.30x = 521,602,348,542,779.75
  5. Step 5: Solve for x
    x = 521,602,348,542,779.75/20,129,519.30
  6. Step 6: Final answer
    x = 25,912,310.21

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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.