Home / 20,914,819.48-28,865,874.99-17,424,623.44

Finding the Fourth Proportional to 20,914,819.48, 28,865,874.99 and 17,424,623.44

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Solution

The fourth proportional to 20,914,819.48, 28,865,874.99 and 17,424,623.44 is: 24,048,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,819.48 : 28,865,874.99 = 17,424,623.44 : x
  2. Step 2: Convert to fraction form
    20,914,819.48/28,865,874.99 = 17,424,623.44/x
  3. Step 3: Cross multiply
    20,914,819.48x = 28,865,874.99 × 17,424,623.44
  4. Step 4: Simplify right side
    20,914,819.48x = 502,977,001,966,863.75
  5. Step 5: Solve for x
    x = 502,977,001,966,863.75/20,914,819.48
  6. Step 6: Final answer
    x = 24,048,833.05

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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.