Home / 7,691,810.78-11,533,456.86-3,146,051.73

Finding the Fourth Proportional to 7,691,810.78, 11,533,456.86 and 3,146,051.73

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Solution

The fourth proportional to 7,691,810.78, 11,533,456.86 and 3,146,051.73 is: 4,717,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,810.78 : 11,533,456.86 = 3,146,051.73 : x
  2. Step 2: Convert to fraction form
    7,691,810.78/11,533,456.86 = 3,146,051.73/x
  3. Step 3: Cross multiply
    7,691,810.78x = 11,533,456.86 × 3,146,051.73
  4. Step 4: Simplify right side
    7,691,810.78x = 36,284,851,907,283.37
  5. Step 5: Solve for x
    x = 36,284,851,907,283.37/7,691,810.78
  6. Step 6: Final answer
    x = 4,717,335.48

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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.