Home / 20,129,516.80-30,158,845.80-17,295,164.80

Finding the Fourth Proportional to 20,129,516.80, 30,158,845.80 and 17,295,164.80

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Solution

The fourth proportional to 20,129,516.80, 30,158,845.80 and 17,295,164.80 is: 25,912,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,516.80 : 30,158,845.80 = 17,295,164.80 : x
  2. Step 2: Convert to fraction form
    20,129,516.80/30,158,845.80 = 17,295,164.80/x
  3. Step 3: Cross multiply
    20,129,516.80x = 30,158,845.80 × 17,295,164.80
  4. Step 4: Simplify right side
    20,129,516.80x = 521,602,208,288,787.88
  5. Step 5: Solve for x
    x = 521,602,208,288,787.88/20,129,516.80
  6. Step 6: Final answer
    x = 25,912,306.46

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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.