Home / 13,392,956.33-18,486,213.11-8,747,451.54

Finding the Fourth Proportional to 13,392,956.33, 18,486,213.11 and 8,747,451.54

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Solution

The fourth proportional to 13,392,956.33, 18,486,213.11 and 8,747,451.54 is: 12,074,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,956.33 : 18,486,213.11 = 8,747,451.54 : x
  2. Step 2: Convert to fraction form
    13,392,956.33/18,486,213.11 = 8,747,451.54/x
  3. Step 3: Cross multiply
    13,392,956.33x = 18,486,213.11 × 8,747,451.54
  4. Step 4: Simplify right side
    13,392,956.33x = 161,707,253,294,100.41
  5. Step 5: Solve for x
    x = 161,707,253,294,100.41/13,392,956.33
  6. Step 6: Final answer
    x = 12,074,052.16

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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.