Home / 18,784,910.40-28,177,365.60-6,816,091.20

Finding the Fourth Proportional to 18,784,910.40, 28,177,365.60 and 6,816,091.20

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Solution

The fourth proportional to 18,784,910.40, 28,177,365.60 and 6,816,091.20 is: 10,224,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,910.40 : 28,177,365.60 = 6,816,091.20 : x
  2. Step 2: Convert to fraction form
    18,784,910.40/28,177,365.60 = 6,816,091.20/x
  3. Step 3: Cross multiply
    18,784,910.40x = 28,177,365.60 × 6,816,091.20
  4. Step 4: Simplify right side
    18,784,910.40x = 192,059,493,705,342.75
  5. Step 5: Solve for x
    x = 192,059,493,705,342.75/18,784,910.40
  6. Step 6: Final answer
    x = 10,224,136.80

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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.