Home / 21,449,914.65-29,601,494.87-13,077,767.61

Finding the Fourth Proportional to 21,449,914.65, 29,601,494.87 and 13,077,767.61

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Solution

The fourth proportional to 21,449,914.65, 29,601,494.87 and 13,077,767.61 is: 18,047,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449,914.65 : 29,601,494.87 = 13,077,767.61 : x
  2. Step 2: Convert to fraction form
    21,449,914.65/29,601,494.87 = 13,077,767.61/x
  3. Step 3: Cross multiply
    21,449,914.65x = 29,601,494.87 × 13,077,767.61
  4. Step 4: Simplify right side
    21,449,914.65x = 387,121,470,753,078.31
  5. Step 5: Solve for x
    x = 387,121,470,753,078.31/21,449,914.65
  6. Step 6: Final answer
    x = 18,047,692.83

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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.