Home / 19,960,231.20-29,940,346.80-10,890,304.80

Finding the Fourth Proportional to 19,960,231.20, 29,940,346.80 and 10,890,304.80

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Solution

The fourth proportional to 19,960,231.20, 29,940,346.80 and 10,890,304.80 is: 16,335,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,231.20 : 29,940,346.80 = 10,890,304.80 : x
  2. Step 2: Convert to fraction form
    19,960,231.20/29,940,346.80 = 10,890,304.80/x
  3. Step 3: Cross multiply
    19,960,231.20x = 29,940,346.80 × 10,890,304.80
  4. Step 4: Simplify right side
    19,960,231.20x = 326,059,502,469,704.69
  5. Step 5: Solve for x
    x = 326,059,502,469,704.69/19,960,231.20
  6. Step 6: Final answer
    x = 16,335,457.20

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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.