Home / 7,691,808.78-11,533,453.86-3,146,049.73

Finding the Fourth Proportional to 7,691,808.78, 11,533,453.86 and 3,146,049.73

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Solution

The fourth proportional to 7,691,808.78, 11,533,453.86 and 3,146,049.73 is: 4,717,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,808.78 : 11,533,453.86 = 3,146,049.73 : x
  2. Step 2: Convert to fraction form
    7,691,808.78/11,533,453.86 = 3,146,049.73/x
  3. Step 3: Cross multiply
    7,691,808.78x = 11,533,453.86 × 3,146,049.73
  4. Step 4: Simplify right side
    7,691,808.78x = 36,284,819,402,220.45
  5. Step 5: Solve for x
    x = 36,284,819,402,220.45/7,691,808.78
  6. Step 6: Final answer
    x = 4,717,332.48

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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.