Home / 21,255,419.55-29,331,535.32-11,836,696.32

Finding the Fourth Proportional to 21,255,419.55, 29,331,535.32 and 11,836,696.32

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Solution

The fourth proportional to 21,255,419.55, 29,331,535.32 and 11,836,696.32 is: 16,334,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,255,419.55 : 29,331,535.32 = 11,836,696.32 : x
  2. Step 2: Convert to fraction form
    21,255,419.55/29,331,535.32 = 11,836,696.32/x
  3. Step 3: Cross multiply
    21,255,419.55x = 29,331,535.32 × 11,836,696.32
  4. Step 4: Simplify right side
    21,255,419.55x = 347,188,476,182,194.06
  5. Step 5: Solve for x
    x = 347,188,476,182,194.06/21,255,419.55
  6. Step 6: Final answer
    x = 16,334,115.41

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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.