Home / 36,210,321.72-49,968,723.24-20,530,401.48

Finding the Fourth Proportional to 36,210,321.72, 49,968,723.24 and 20,530,401.48

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Solution

The fourth proportional to 36,210,321.72, 49,968,723.24 and 20,530,401.48 is: 28,331,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210,321.72 : 49,968,723.24 = 20,530,401.48 : x
  2. Step 2: Convert to fraction form
    36,210,321.72/49,968,723.24 = 20,530,401.48/x
  3. Step 3: Cross multiply
    36,210,321.72x = 49,968,723.24 × 20,530,401.48
  4. Step 4: Simplify right side
    36,210,321.72x = 1,025,877,949,560,206.50
  5. Step 5: Solve for x
    x = 1,025,877,949,560,206.50/36,210,321.72
  6. Step 6: Final answer
    x = 28,331,091.82

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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.