Finding the Fourth Proportional to 39,982,787.91, 59,928,843.24 and 18,372,736.05
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Solution
The fourth proportional to 39,982,787.91, 59,928,843.24 and 18,372,736.05 is: 27,538,270.25
Step by Step Solution
- Step 1: Write the proportion equation
39,982,787.91 : 59,928,843.24 = 18,372,736.05 : x - Step 2: Convert to fraction form
39,982,787.91/59,928,843.24 = 18,372,736.05/x - Step 3: Cross multiply
39,982,787.91x = 59,928,843.24 × 18,372,736.05 - Step 4: Simplify right side
39,982,787.91x = 1,101,056,818,630,346.88 - Step 5: Solve for x
x = 1,101,056,818,630,346.88/39,982,787.91 - Step 6: Final answer
x = 27,538,270.25
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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.