Home / 8,489,116.56-11,722,761.96-5,392,638

Finding the Fourth Proportional to 8,489,116.56, 11,722,761.96 and 5,392,638

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Solution

The fourth proportional to 8,489,116.56, 11,722,761.96 and 5,392,638 is: 7,446,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,116.56 : 11,722,761.96 = 5,392,638 : x
  2. Step 2: Convert to fraction form
    8,489,116.56/11,722,761.96 = 5,392,638/x
  3. Step 3: Cross multiply
    8,489,116.56x = 11,722,761.96 × 5,392,638
  4. Step 4: Simplify right side
    8,489,116.56x = 63,216,611,610,450.48
  5. Step 5: Solve for x
    x = 63,216,611,610,450.48/8,489,116.56
  6. Step 6: Final answer
    x = 7,446,783.32

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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.