Home / 18,816,098.40-28,224,147.60-11,152,072.80

Finding the Fourth Proportional to 18,816,098.40, 28,224,147.60 and 11,152,072.80

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Solution

The fourth proportional to 18,816,098.40, 28,224,147.60 and 11,152,072.80 is: 16,728,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,098.40 : 28,224,147.60 = 11,152,072.80 : x
  2. Step 2: Convert to fraction form
    18,816,098.40/28,224,147.60 = 11,152,072.80/x
  3. Step 3: Cross multiply
    18,816,098.40x = 28,224,147.60 × 11,152,072.80
  4. Step 4: Simplify right side
    18,816,098.40x = 314,757,748,753,145.31
  5. Step 5: Solve for x
    x = 314,757,748,753,145.31/18,816,098.40
  6. Step 6: Final answer
    x = 16,728,109.20

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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.