Home / 12,410,219.92-18,615,333.48-3,891,220.66

Finding the Fourth Proportional to 12,410,219.92, 18,615,333.48 and 3,891,220.66

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Solution

The fourth proportional to 12,410,219.92, 18,615,333.48 and 3,891,220.66 is: 5,836,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410,219.92 : 18,615,333.48 = 3,891,220.66 : x
  2. Step 2: Convert to fraction form
    12,410,219.92/18,615,333.48 = 3,891,220.66/x
  3. Step 3: Cross multiply
    12,410,219.92x = 18,615,333.48 × 3,891,220.66
  4. Step 4: Simplify right side
    12,410,219.92x = 72,436,370,230,165.70
  5. Step 5: Solve for x
    x = 72,436,370,230,165.70/12,410,219.92
  6. Step 6: Final answer
    x = 5,836,832.12

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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.