Home / 11,555,029.38-15,945,745.05-6,398,280.21

Finding the Fourth Proportional to 11,555,029.38, 15,945,745.05 and 6,398,280.21

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Solution

The fourth proportional to 11,555,029.38, 15,945,745.05 and 6,398,280.21 is: 8,829,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,029.38 : 15,945,745.05 = 6,398,280.21 : x
  2. Step 2: Convert to fraction form
    11,555,029.38/15,945,745.05 = 6,398,280.21/x
  3. Step 3: Cross multiply
    11,555,029.38x = 15,945,745.05 × 6,398,280.21
  4. Step 4: Simplify right side
    11,555,029.38x = 102,025,345,046,917.02
  5. Step 5: Solve for x
    x = 102,025,345,046,917.02/11,555,029.38
  6. Step 6: Final answer
    x = 8,829,518.44

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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.