Home / 12,826,251.45-19,239,622.61-4,190,375.70

Finding the Fourth Proportional to 12,826,251.45, 19,239,622.61 and 4,190,375.70

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Solution

The fourth proportional to 12,826,251.45, 19,239,622.61 and 4,190,375.70 is: 6,285,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,251.45 : 19,239,622.61 = 4,190,375.70 : x
  2. Step 2: Convert to fraction form
    12,826,251.45/19,239,622.61 = 4,190,375.70/x
  3. Step 3: Cross multiply
    12,826,251.45x = 19,239,622.61 × 4,190,375.70
  4. Step 4: Simplify right side
    12,826,251.45x = 80,621,247,041,162.70
  5. Step 5: Solve for x
    x = 80,621,247,041,162.70/12,826,251.45
  6. Step 6: Final answer
    x = 6,285,643.73

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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.