Home / 20,145,178.48-30,223,651.92-6,498,022.72

Finding the Fourth Proportional to 20,145,178.48, 30,223,651.92 and 6,498,022.72

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Solution

The fourth proportional to 20,145,178.48, 30,223,651.92 and 6,498,022.72 is: 9,748,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,178.48 : 30,223,651.92 = 6,498,022.72 : x
  2. Step 2: Convert to fraction form
    20,145,178.48/30,223,651.92 = 6,498,022.72/x
  3. Step 3: Cross multiply
    20,145,178.48x = 30,223,651.92 × 6,498,022.72
  4. Step 4: Simplify right side
    20,145,178.48x = 196,393,976,857,531.62
  5. Step 5: Solve for x
    x = 196,393,976,857,531.62/20,145,178.48
  6. Step 6: Final answer
    x = 9,748,932.09

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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.