Home / 36,870,776.85-50,874,076.59-21,186,771.20

Finding the Fourth Proportional to 36,870,776.85, 50,874,076.59 and 21,186,771.20

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Solution

The fourth proportional to 36,870,776.85, 50,874,076.59 and 21,186,771.20 is: 29,233,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870,776.85 : 50,874,076.59 = 21,186,771.20 : x
  2. Step 2: Convert to fraction form
    36,870,776.85/50,874,076.59 = 21,186,771.20/x
  3. Step 3: Cross multiply
    36,870,776.85x = 50,874,076.59 × 21,186,771.20
  4. Step 4: Simplify right side
    36,870,776.85x = 1,077,857,420,469,235.88
  5. Step 5: Solve for x
    x = 1,077,857,420,469,235.88/36,870,776.85
  6. Step 6: Final answer
    x = 29,233,379.73

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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.