Home / 31,261,627.94-43,125,175.26-21,331,062.36

Finding the Fourth Proportional to 31,261,627.94, 43,125,175.26 and 21,331,062.36

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Solution

The fourth proportional to 31,261,627.94, 43,125,175.26 and 21,331,062.36 is: 29,426,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261,627.94 : 43,125,175.26 = 21,331,062.36 : x
  2. Step 2: Convert to fraction form
    31,261,627.94/43,125,175.26 = 21,331,062.36/x
  3. Step 3: Cross multiply
    31,261,627.94x = 43,125,175.26 × 21,331,062.36
  4. Step 4: Simplify right side
    31,261,627.94x = 919,905,802,756,989.12
  5. Step 5: Solve for x
    x = 919,905,802,756,989.12/31,261,627.94
  6. Step 6: Final answer
    x = 29,426,036.43

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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.