Home / 20,314,796.31-28,034,379.99-11,022,363.72

Finding the Fourth Proportional to 20,314,796.31, 28,034,379.99 and 11,022,363.72

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Solution

The fourth proportional to 20,314,796.31, 28,034,379.99 and 11,022,363.72 is: 15,210,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314,796.31 : 28,034,379.99 = 11,022,363.72 : x
  2. Step 2: Convert to fraction form
    20,314,796.31/28,034,379.99 = 11,022,363.72/x
  3. Step 3: Cross multiply
    20,314,796.31x = 28,034,379.99 × 11,022,363.72
  4. Step 4: Simplify right side
    20,314,796.31x = 309,005,132,914,469.94
  5. Step 5: Solve for x
    x = 309,005,132,914,469.94/20,314,796.31
  6. Step 6: Final answer
    x = 15,210,840.82

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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.