Home / 22,180,611.31-30,765,839.70-21,590,711.80

Finding the Fourth Proportional to 22,180,611.31, 30,765,839.70 and 21,590,711.80

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Solution

The fourth proportional to 22,180,611.31, 30,765,839.70 and 21,590,711.80 is: 29,947,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180,611.31 : 30,765,839.70 = 21,590,711.80 : x
  2. Step 2: Convert to fraction form
    22,180,611.31/30,765,839.70 = 21,590,711.80/x
  3. Step 3: Cross multiply
    22,180,611.31x = 30,765,839.70 × 21,590,711.80
  4. Step 4: Simplify right side
    22,180,611.31x = 664,256,378,247,698.50
  5. Step 5: Solve for x
    x = 664,256,378,247,698.50/22,180,611.31
  6. Step 6: Final answer
    x = 29,947,613.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.