Home / 8,410,657.20-12,621,890.70-3,621,783.30

Finding the Fourth Proportional to 8,410,657.20, 12,621,890.70 and 3,621,783.30

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Solution

The fourth proportional to 8,410,657.20, 12,621,890.70 and 3,621,783.30 is: 5,435,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410,657.20 : 12,621,890.70 = 3,621,783.30 : x
  2. Step 2: Convert to fraction form
    8,410,657.20/12,621,890.70 = 3,621,783.30/x
  3. Step 3: Cross multiply
    8,410,657.20x = 12,621,890.70 × 3,621,783.30
  4. Step 4: Simplify right side
    8,410,657.20x = 45,713,752,951,685.30
  5. Step 5: Solve for x
    x = 45,713,752,951,685.30/8,410,657.20
  6. Step 6: Final answer
    x = 5,435,217.71

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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.