Home / 7,691,840.37-11,533,501.50-3,146,081.73

Finding the Fourth Proportional to 7,691,840.37, 11,533,501.50 and 3,146,081.73

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Solution

The fourth proportional to 7,691,840.37, 11,533,501.50 and 3,146,081.73 is: 4,717,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,840.37 : 11,533,501.50 = 3,146,081.73 : x
  2. Step 2: Convert to fraction form
    7,691,840.37/11,533,501.50 = 3,146,081.73/x
  3. Step 3: Cross multiply
    7,691,840.37x = 11,533,501.50 × 3,146,081.73
  4. Step 4: Simplify right side
    7,691,840.37x = 36,285,338,352,077.59
  5. Step 5: Solve for x
    x = 36,285,338,352,077.59/7,691,840.37
  6. Step 6: Final answer
    x = 4,717,380.58

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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.