Home / 36,818,418.38-50,809,401.11-21,138,454.04

Finding the Fourth Proportional to 36,818,418.38, 50,809,401.11 and 21,138,454.04

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Solution

The fourth proportional to 36,818,418.38, 50,809,401.11 and 21,138,454.04 is: 29,171,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818,418.38 : 50,809,401.11 = 21,138,454.04 : x
  2. Step 2: Convert to fraction form
    36,818,418.38/50,809,401.11 = 21,138,454.04/x
  3. Step 3: Cross multiply
    36,818,418.38x = 50,809,401.11 × 21,138,454.04
  4. Step 4: Simplify right side
    36,818,418.38x = 1,074,032,190,272,234.25
  5. Step 5: Solve for x
    x = 1,074,032,190,272,234.25/36,818,418.38
  6. Step 6: Final answer
    x = 29,171,057.25

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Double scale
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1.5x scale

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.