Finding the Fourth Proportional to 18,390,848.40, 27,586,272.60 and 16,371,372.60
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Solution
The fourth proportional to 18,390,848.40, 27,586,272.60 and 16,371,372.60 is: 24,557,058.90
Step by Step Solution
- Step 1: Write the proportion equation
18,390,848.40 : 27,586,272.60 = 16,371,372.60 : x - Step 2: Convert to fraction form
18,390,848.40/27,586,272.60 = 16,371,372.60/x - Step 3: Cross multiply
18,390,848.40x = 27,586,272.60 × 16,371,372.60 - Step 4: Simplify right side
18,390,848.40x = 451,625,147,379,770.75 - Step 5: Solve for x
x = 451,625,147,379,770.75/18,390,848.40 - Step 6: Final answer
x = 24,557,058.90
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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.