Home / 13,257,045.20-18,297,233.52-8,297,786.18

Finding the Fourth Proportional to 13,257,045.20, 18,297,233.52 and 8,297,786.18

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Solution

The fourth proportional to 13,257,045.20, 18,297,233.52 and 8,297,786.18 is: 11,452,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,045.20 : 18,297,233.52 = 8,297,786.18 : x
  2. Step 2: Convert to fraction form
    13,257,045.20/18,297,233.52 = 8,297,786.18/x
  3. Step 3: Cross multiply
    13,257,045.20x = 18,297,233.52 × 8,297,786.18
  4. Step 4: Simplify right side
    13,257,045.20x = 151,826,531,434,488.75
  5. Step 5: Solve for x
    x = 151,826,531,434,488.75/13,257,045.20
  6. Step 6: Final answer
    x = 11,452,516.69

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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.