Home / 11,831,221.28-16,327,085.52-6,398,713.28

Finding the Fourth Proportional to 11,831,221.28, 16,327,085.52 and 6,398,713.28

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Solution

The fourth proportional to 11,831,221.28, 16,327,085.52 and 6,398,713.28 is: 8,830,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,221.28 : 16,327,085.52 = 6,398,713.28 : x
  2. Step 2: Convert to fraction form
    11,831,221.28/16,327,085.52 = 6,398,713.28/x
  3. Step 3: Cross multiply
    11,831,221.28x = 16,327,085.52 × 6,398,713.28
  4. Step 4: Simplify right side
    11,831,221.28x = 104,472,338,940,519.70
  5. Step 5: Solve for x
    x = 104,472,338,940,519.70/11,831,221.28
  6. Step 6: Final answer
    x = 8,830,224.41

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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.