Home / 28,029,136.20-42,043,704.30-27,840,179.40

Finding the Fourth Proportional to 28,029,136.20, 42,043,704.30 and 27,840,179.40

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Solution

The fourth proportional to 28,029,136.20, 42,043,704.30 and 27,840,179.40 is: 41,760,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,136.20 : 42,043,704.30 = 27,840,179.40 : x
  2. Step 2: Convert to fraction form
    28,029,136.20/42,043,704.30 = 27,840,179.40/x
  3. Step 3: Cross multiply
    28,029,136.20x = 42,043,704.30 × 27,840,179.40
  4. Step 4: Simplify right side
    28,029,136.20x = 1,170,504,270,352,551.25
  5. Step 5: Solve for x
    x = 1,170,504,270,352,551.25/28,029,136.20
  6. Step 6: Final answer
    x = 41,760,269.10

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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.