Finding the Fourth Proportional to 33,515,712.68, 50,203,817.34 and 21,324,787.88
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Solution
The fourth proportional to 33,515,712.68, 50,203,817.34 and 21,324,787.88 is: 31,942,801.45
Step by Step Solution
- Step 1: Write the proportion equation
33,515,712.68 : 50,203,817.34 = 21,324,787.88 : x - Step 2: Convert to fraction form
33,515,712.68/50,203,817.34 = 21,324,787.88/x - Step 3: Cross multiply
33,515,712.68x = 50,203,817.34 × 21,324,787.88 - Step 4: Simplify right side
33,515,712.68x = 1,070,585,755,541,765.88 - Step 5: Solve for x
x = 1,070,585,755,541,765.88/33,515,712.68 - Step 6: Final answer
x = 31,942,801.45
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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.