Home / 21,915,964.20-32,873,946.30-9,145,633.80

Finding the Fourth Proportional to 21,915,964.20, 32,873,946.30 and 9,145,633.80

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Solution

The fourth proportional to 21,915,964.20, 32,873,946.30 and 9,145,633.80 is: 13,718,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,964.20 : 32,873,946.30 = 9,145,633.80 : x
  2. Step 2: Convert to fraction form
    21,915,964.20/32,873,946.30 = 9,145,633.80/x
  3. Step 3: Cross multiply
    21,915,964.20x = 32,873,946.30 × 9,145,633.80
  4. Step 4: Simplify right side
    21,915,964.20x = 300,653,074,420,665
  5. Step 5: Solve for x
    x = 300,653,074,420,665/21,915,964.20
  6. Step 6: Final answer
    x = 13,718,450.70

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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.