Home / 21,960,393.75-30,305,346.20-12,171,469.91

Finding the Fourth Proportional to 21,960,393.75, 30,305,346.20 and 12,171,469.91

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Solution

The fourth proportional to 21,960,393.75, 30,305,346.20 and 12,171,469.91 is: 16,796,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,393.75 : 30,305,346.20 = 12,171,469.91 : x
  2. Step 2: Convert to fraction form
    21,960,393.75/30,305,346.20 = 12,171,469.91/x
  3. Step 3: Cross multiply
    21,960,393.75x = 30,305,346.20 × 12,171,469.91
  4. Step 4: Simplify right side
    21,960,393.75x = 368,860,609,173,048.75
  5. Step 5: Solve for x
    x = 368,860,609,173,048.75/21,960,393.75
  6. Step 6: Final answer
    x = 16,796,630.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.