Home / 13,111,079.28-18,086,858.46-8,761,233.48

Finding the Fourth Proportional to 13,111,079.28, 18,086,858.46 and 8,761,233.48

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Solution

The fourth proportional to 13,111,079.28, 18,086,858.46 and 8,761,233.48 is: 12,086,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,079.28 : 18,086,858.46 = 8,761,233.48 : x
  2. Step 2: Convert to fraction form
    13,111,079.28/18,086,858.46 = 8,761,233.48/x
  3. Step 3: Cross multiply
    13,111,079.28x = 18,086,858.46 × 8,761,233.48
  4. Step 4: Simplify right side
    13,111,079.28x = 158,463,189,887,773.25
  5. Step 5: Solve for x
    x = 158,463,189,887,773.25/13,111,079.28
  6. Step 6: Final answer
    x = 12,086,204.84

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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.