Finding the Fourth Proportional to 13,006,770.53, 17,950,445.57 and 7,207,371.41
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Solution
The fourth proportional to 13,006,770.53, 17,950,445.57 and 7,207,371.41 is: 9,946,783.32
Step by Step Solution
- Step 1: Write the proportion equation
13,006,770.53 : 17,950,445.57 = 7,207,371.41 : x - Step 2: Convert to fraction form
13,006,770.53/17,950,445.57 = 7,207,371.41/x - Step 3: Cross multiply
13,006,770.53x = 17,950,445.57 × 7,207,371.41 - Step 4: Simplify right side
13,006,770.53x = 129,375,528,126,245.38 - Step 5: Solve for x
x = 129,375,528,126,245.38/13,006,770.53 - Step 6: Final answer
x = 9,946,783.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.