Finding the Fourth Proportional to 12,241,125.70, 18,453,369.05 and 11,419,046.98
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Solution
The fourth proportional to 12,241,125.70, 18,453,369.05 and 11,419,046.98 is: 17,214,093.97
Step by Step Solution
- Step 1: Write the proportion equation
12,241,125.70 : 18,453,369.05 = 11,419,046.98 : x - Step 2: Convert to fraction form
12,241,125.70/18,453,369.05 = 11,419,046.98/x - Step 3: Cross multiply
12,241,125.70x = 18,453,369.05 × 11,419,046.98 - Step 4: Simplify right side
12,241,125.70x = 210,719,888,121,228 - Step 5: Solve for x
x = 210,719,888,121,228/12,241,125.70 - Step 6: Final answer
x = 17,214,093.97
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.