Home / 7,691,809.78-11,533,455.36-3,146,050.73

Finding the Fourth Proportional to 7,691,809.78, 11,533,455.36 and 3,146,050.73

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Solution

The fourth proportional to 7,691,809.78, 11,533,455.36 and 3,146,050.73 is: 4,717,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,809.78 : 11,533,455.36 = 3,146,050.73 : x
  2. Step 2: Convert to fraction form
    7,691,809.78/11,533,455.36 = 3,146,050.73/x
  3. Step 3: Cross multiply
    7,691,809.78x = 11,533,455.36 × 3,146,050.73
  4. Step 4: Simplify right side
    7,691,809.78x = 36,284,835,654,750.41
  5. Step 5: Solve for x
    x = 36,284,835,654,750.41/7,691,809.78
  6. Step 6: Final answer
    x = 4,717,333.98

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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.