Home / 8,538,538-11,783,275.48-4,670,976.12

Finding the Fourth Proportional to 8,538,538, 11,783,275.48 and 4,670,976.12

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Solution

The fourth proportional to 8,538,538, 11,783,275.48 and 4,670,976.12 is: 6,445,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,538 : 11,783,275.48 = 4,670,976.12 : x
  2. Step 2: Convert to fraction form
    8,538,538/11,783,275.48 = 4,670,976.12/x
  3. Step 3: Cross multiply
    8,538,538x = 11,783,275.48 × 4,670,976.12
  4. Step 4: Simplify right side
    8,538,538x = 55,039,398,382,461.54
  5. Step 5: Solve for x
    x = 55,039,398,382,461.54/8,538,538
  6. Step 6: Final answer
    x = 6,445,997.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.