Home / 28,192,529.70-42,288,794.55-16,855,121.70

Finding the Fourth Proportional to 28,192,529.70, 42,288,794.55 and 16,855,121.70

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Solution

The fourth proportional to 28,192,529.70, 42,288,794.55 and 16,855,121.70 is: 25,282,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,529.70 : 42,288,794.55 = 16,855,121.70 : x
  2. Step 2: Convert to fraction form
    28,192,529.70/42,288,794.55 = 16,855,121.70/x
  3. Step 3: Cross multiply
    28,192,529.70x = 42,288,794.55 × 16,855,121.70
  4. Step 4: Simplify right side
    28,192,529.70x = 712,782,778,686,546.62
  5. Step 5: Solve for x
    x = 712,782,778,686,546.62/28,192,529.70
  6. Step 6: Final answer
    x = 25,282,682.55

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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.