Home / 13,781,481.12-20,675,307.78-4,197,609.72

Finding the Fourth Proportional to 13,781,481.12, 20,675,307.78 and 4,197,609.72

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Solution

The fourth proportional to 13,781,481.12, 20,675,307.78 and 4,197,609.72 is: 6,297,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,481.12 : 20,675,307.78 = 4,197,609.72 : x
  2. Step 2: Convert to fraction form
    13,781,481.12/20,675,307.78 = 4,197,609.72/x
  3. Step 3: Cross multiply
    13,781,481.12x = 20,675,307.78 × 4,197,609.72
  4. Step 4: Simplify right side
    13,781,481.12x = 86,786,872,901,319.62
  5. Step 5: Solve for x
    x = 86,786,872,901,319.62/13,781,481.12
  6. Step 6: Final answer
    x = 6,297,354.55

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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.