Home / 15,058,380-20,783,363.76-8,619,852

Finding the Fourth Proportional to 15,058,380, 20,783,363.76 and 8,619,852

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Solution

The fourth proportional to 15,058,380, 20,783,363.76 and 8,619,852 is: 11,896,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,380 : 20,783,363.76 = 8,619,852 : x
  2. Step 2: Convert to fraction form
    15,058,380/20,783,363.76 = 8,619,852/x
  3. Step 3: Cross multiply
    15,058,380x = 20,783,363.76 × 8,619,852
  4. Step 4: Simplify right side
    15,058,380x = 179,149,519,673,363.53
  5. Step 5: Solve for x
    x = 179,149,519,673,363.53/15,058,380
  6. Step 6: Final answer
    x = 11,896,998.19

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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.