Home / 18,241,739.40-27,344,561.10-8,640,241.80

Finding the Fourth Proportional to 18,241,739.40, 27,344,561.10 and 8,640,241.80

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Solution

The fourth proportional to 18,241,739.40, 27,344,561.10 and 8,640,241.80 is: 12,951,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241,739.40 : 27,344,561.10 = 8,640,241.80 : x
  2. Step 2: Convert to fraction form
    18,241,739.40/27,344,561.10 = 8,640,241.80/x
  3. Step 3: Cross multiply
    18,241,739.40x = 27,344,561.10 × 8,640,241.80
  4. Step 4: Simplify right side
    18,241,739.40x = 236,263,619,818,874
  5. Step 5: Solve for x
    x = 236,263,619,818,874/18,241,739.40
  6. Step 6: Final answer
    x = 12,951,814.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.