Home / 11,831,969.88-17,701,257.51-8,961,605.28

Finding the Fourth Proportional to 11,831,969.88, 17,701,257.51 and 8,961,605.28

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Solution

The fourth proportional to 11,831,969.88, 17,701,257.51 and 8,961,605.28 is: 13,407,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,969.88 : 17,701,257.51 = 8,961,605.28 : x
  2. Step 2: Convert to fraction form
    11,831,969.88/17,701,257.51 = 8,961,605.28/x
  3. Step 3: Cross multiply
    11,831,969.88x = 17,701,257.51 × 8,961,605.28
  4. Step 4: Simplify right side
    11,831,969.88x = 158,631,682,764,255.66
  5. Step 5: Solve for x
    x = 158,631,682,764,255.66/11,831,969.88
  6. Step 6: Final answer
    x = 13,407,039.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.