Home / 23,338,136.80-35,007,205.20-20,503,784.80

Finding the Fourth Proportional to 23,338,136.80, 35,007,205.20 and 20,503,784.80

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Solution

The fourth proportional to 23,338,136.80, 35,007,205.20 and 20,503,784.80 is: 30,755,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,338,136.80 : 35,007,205.20 = 20,503,784.80 : x
  2. Step 2: Convert to fraction form
    23,338,136.80/35,007,205.20 = 20,503,784.80/x
  3. Step 3: Cross multiply
    23,338,136.80x = 35,007,205.20 × 20,503,784.80
  4. Step 4: Simplify right side
    23,338,136.80x = 717,780,201,870,241
  5. Step 5: Solve for x
    x = 717,780,201,870,241/23,338,136.80
  6. Step 6: Final answer
    x = 30,755,677.20

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Double scale
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Similar ratio
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1.5x scale

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.