Home / 28,192,608.80-42,288,913.20-16,855,200.80

Finding the Fourth Proportional to 28,192,608.80, 42,288,913.20 and 16,855,200.80

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Solution

The fourth proportional to 28,192,608.80, 42,288,913.20 and 16,855,200.80 is: 25,282,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,608.80 : 42,288,913.20 = 16,855,200.80 : x
  2. Step 2: Convert to fraction form
    28,192,608.80/42,288,913.20 = 16,855,200.80/x
  3. Step 3: Cross multiply
    28,192,608.80x = 42,288,913.20 × 16,855,200.80
  4. Step 4: Simplify right side
    28,192,608.80x = 712,788,123,599,770.62
  5. Step 5: Solve for x
    x = 712,788,123,599,770.62/28,192,608.80
  6. Step 6: Final answer
    x = 25,282,801.20

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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.