Home / 12,801,682.80-19,202,524.20-12,721,966.65

Finding the Fourth Proportional to 12,801,682.80, 19,202,524.20 and 12,721,966.65

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Solution

The fourth proportional to 12,801,682.80, 19,202,524.20 and 12,721,966.65 is: 19,082,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,682.80 : 19,202,524.20 = 12,721,966.65 : x
  2. Step 2: Convert to fraction form
    12,801,682.80/19,202,524.20 = 12,721,966.65/x
  3. Step 3: Cross multiply
    12,801,682.80x = 19,202,524.20 × 12,721,966.65
  4. Step 4: Simplify right side
    12,801,682.80x = 244,293,872,468,217.94
  5. Step 5: Solve for x
    x = 244,293,872,468,217.94/12,801,682.80
  6. Step 6: Final answer
    x = 19,082,949.98

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Double scale
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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.