Home / 18,122,399.92-25,003,282.26-10,280,621.44

Finding the Fourth Proportional to 18,122,399.92, 25,003,282.26 and 10,280,621.44

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Solution

The fourth proportional to 18,122,399.92, 25,003,282.26 and 10,280,621.44 is: 14,184,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,399.92 : 25,003,282.26 = 10,280,621.44 : x
  2. Step 2: Convert to fraction form
    18,122,399.92/25,003,282.26 = 10,280,621.44/x
  3. Step 3: Cross multiply
    18,122,399.92x = 25,003,282.26 × 10,280,621.44
  4. Step 4: Simplify right side
    18,122,399.92x = 257,049,279,672,527.66
  5. Step 5: Solve for x
    x = 257,049,279,672,527.66/18,122,399.92
  6. Step 6: Final answer
    x = 14,184,063.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.