Home / 31,584,036.32-43,586,270.60-18,531,517.28

Finding the Fourth Proportional to 31,584,036.32, 43,586,270.60 and 18,531,517.28

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Solution

The fourth proportional to 31,584,036.32, 43,586,270.60 and 18,531,517.28 is: 25,573,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,036.32 : 43,586,270.60 = 18,531,517.28 : x
  2. Step 2: Convert to fraction form
    31,584,036.32/43,586,270.60 = 18,531,517.28/x
  3. Step 3: Cross multiply
    31,584,036.32x = 43,586,270.60 × 18,531,517.28
  4. Step 4: Simplify right side
    31,584,036.32x = 807,719,726,794,656
  5. Step 5: Solve for x
    x = 807,719,726,794,656/31,584,036.32
  6. Step 6: Final answer
    x = 25,573,670.15

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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.