Home / 13,609,203.44-18,780,480.72-7,414,324.25

Finding the Fourth Proportional to 13,609,203.44, 18,780,480.72 and 7,414,324.25

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Solution

The fourth proportional to 13,609,203.44, 18,780,480.72 and 7,414,324.25 is: 10,231,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,203.44 : 18,780,480.72 = 7,414,324.25 : x
  2. Step 2: Convert to fraction form
    13,609,203.44/18,780,480.72 = 7,414,324.25/x
  3. Step 3: Cross multiply
    13,609,203.44x = 18,780,480.72 × 7,414,324.25
  4. Step 4: Simplify right side
    13,609,203.44x = 139,244,573,535,051.05
  5. Step 5: Solve for x
    x = 139,244,573,535,051.05/13,609,203.44
  6. Step 6: Final answer
    x = 10,231,647.59

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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.