Home / 22,102,725.85-30,280,843.54-21,274,332.62

Finding the Fourth Proportional to 22,102,725.85, 30,280,843.54 and 21,274,332.62

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Solution

The fourth proportional to 22,102,725.85, 30,280,843.54 and 21,274,332.62 is: 29,145,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102,725.85 : 30,280,843.54 = 21,274,332.62 : x
  2. Step 2: Convert to fraction form
    22,102,725.85/30,280,843.54 = 21,274,332.62/x
  3. Step 3: Cross multiply
    22,102,725.85x = 30,280,843.54 × 21,274,332.62
  4. Step 4: Simplify right side
    22,102,725.85x = 644,204,737,397,316.38
  5. Step 5: Solve for x
    x = 644,204,737,397,316.38/22,102,725.85
  6. Step 6: Final answer
    x = 29,145,940.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.