Home / 13,381,439.55-20,162,116.37-12,103,471.79

Finding the Fourth Proportional to 13,381,439.55, 20,162,116.37 and 12,103,471.79

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Solution

The fourth proportional to 13,381,439.55, 20,162,116.37 and 12,103,471.79 is: 18,236,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,439.55 : 20,162,116.37 = 12,103,471.79 : x
  2. Step 2: Convert to fraction form
    13,381,439.55/20,162,116.37 = 12,103,471.79/x
  3. Step 3: Cross multiply
    13,381,439.55x = 20,162,116.37 × 12,103,471.79
  4. Step 4: Simplify right side
    13,381,439.55x = 244,031,606,741,250.84
  5. Step 5: Solve for x
    x = 244,031,606,741,250.84/13,381,439.55
  6. Step 6: Final answer
    x = 18,236,573.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.