Finding the Fourth Proportional to 12,241,124.70, 18,453,367.55 and 11,419,045.98
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Solution
The fourth proportional to 12,241,124.70, 18,453,367.55 and 11,419,045.98 is: 17,214,092.47
Step by Step Solution
- Step 1: Write the proportion equation
12,241,124.70 : 18,453,367.55 = 11,419,045.98 : x - Step 2: Convert to fraction form
12,241,124.70/18,453,367.55 = 11,419,045.98/x - Step 3: Cross multiply
12,241,124.70x = 18,453,367.55 × 11,419,045.98 - Step 4: Simplify right side
12,241,124.70x = 210,719,852,482,194.75 - Step 5: Solve for x
x = 210,719,852,482,194.75/12,241,124.70 - Step 6: Final answer
x = 17,214,092.47
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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.