Home / 17,128,979.88-25,707,604.54-8,611,737

Finding the Fourth Proportional to 17,128,979.88, 25,707,604.54 and 8,611,737

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Solution

The fourth proportional to 17,128,979.88, 25,707,604.54 and 8,611,737 is: 12,924,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128,979.88 : 25,707,604.54 = 8,611,737 : x
  2. Step 2: Convert to fraction form
    17,128,979.88/25,707,604.54 = 8,611,737/x
  3. Step 3: Cross multiply
    17,128,979.88x = 25,707,604.54 × 8,611,737
  4. Step 4: Simplify right side
    17,128,979.88x = 221,387,129,198,485.97
  5. Step 5: Solve for x
    x = 221,387,129,198,485.97/17,128,979.88
  6. Step 6: Final answer
    x = 12,924,711.85

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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.