Home / 12,083,716.56-18,128,238.30-5,261,384.64

Finding the Fourth Proportional to 12,083,716.56, 18,128,238.30 and 5,261,384.64

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Solution

The fourth proportional to 12,083,716.56, 18,128,238.30 and 5,261,384.64 is: 7,893,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,716.56 : 18,128,238.30 = 5,261,384.64 : x
  2. Step 2: Convert to fraction form
    12,083,716.56/18,128,238.30 = 5,261,384.64/x
  3. Step 3: Cross multiply
    12,083,716.56x = 18,128,238.30 × 5,261,384.64
  4. Step 4: Simplify right side
    12,083,716.56x = 95,379,634,541,879.70
  5. Step 5: Solve for x
    x = 95,379,634,541,879.70/12,083,716.56
  6. Step 6: Final answer
    x = 7,893,236.66

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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.