Home / 20,178,622.80-30,267,934.20-17,344,270.80

Finding the Fourth Proportional to 20,178,622.80, 30,267,934.20 and 17,344,270.80

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Solution

The fourth proportional to 20,178,622.80, 30,267,934.20 and 17,344,270.80 is: 26,016,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,622.80 : 30,267,934.20 = 17,344,270.80 : x
  2. Step 2: Convert to fraction form
    20,178,622.80/30,267,934.20 = 17,344,270.80/x
  3. Step 3: Cross multiply
    20,178,622.80x = 30,267,934.20 × 17,344,270.80
  4. Step 4: Simplify right side
    20,178,622.80x = 524,975,247,321,381.38
  5. Step 5: Solve for x
    x = 524,975,247,321,381.38/20,178,622.80
  6. Step 6: Final answer
    x = 26,016,406.20

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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.