Home / 25,280,721-34,877,468.09-14,682,306.62

Finding the Fourth Proportional to 25,280,721, 34,877,468.09 and 14,682,306.62

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Solution

The fourth proportional to 25,280,721, 34,877,468.09 and 14,682,306.62 is: 20,255,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280,721 : 34,877,468.09 = 14,682,306.62 : x
  2. Step 2: Convert to fraction form
    25,280,721/34,877,468.09 = 14,682,306.62/x
  3. Step 3: Cross multiply
    25,280,721x = 34,877,468.09 × 14,682,306.62
  4. Step 4: Simplify right side
    25,280,721x = 512,081,680,378,846.88
  5. Step 5: Solve for x
    x = 512,081,680,378,846.88/25,280,721
  6. Step 6: Final answer
    x = 20,255,817.88

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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.