Home / 13,674,351.44-18,876,415.42-8,520,259.48

Finding the Fourth Proportional to 13,674,351.44, 18,876,415.42 and 8,520,259.48

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Solution

The fourth proportional to 13,674,351.44, 18,876,415.42 and 8,520,259.48 is: 11,761,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,351.44 : 18,876,415.42 = 8,520,259.48 : x
  2. Step 2: Convert to fraction form
    13,674,351.44/18,876,415.42 = 8,520,259.48/x
  3. Step 3: Cross multiply
    13,674,351.44x = 18,876,415.42 × 8,520,259.48
  4. Step 4: Simplify right side
    13,674,351.44x = 160,831,957,430,673.22
  5. Step 5: Solve for x
    x = 160,831,957,430,673.22/13,674,351.44
  6. Step 6: Final answer
    x = 11,761,578.47

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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.