Home / 13,731,236.97-18,949,347.54-7,536,863.22

Finding the Fourth Proportional to 13,731,236.97, 18,949,347.54 and 7,536,863.22

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Solution

The fourth proportional to 13,731,236.97, 18,949,347.54 and 7,536,863.22 is: 10,401,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,236.97 : 18,949,347.54 = 7,536,863.22 : x
  2. Step 2: Convert to fraction form
    13,731,236.97/18,949,347.54 = 7,536,863.22/x
  3. Step 3: Cross multiply
    13,731,236.97x = 18,949,347.54 × 7,536,863.22
  4. Step 4: Simplify right side
    13,731,236.97x = 142,818,640,517,223.47
  5. Step 5: Solve for x
    x = 142,818,640,517,223.47/13,731,236.97
  6. Step 6: Final answer
    x = 10,401,003.26

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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.