Finding the Fourth Proportional to 11,672,841.15, 15,991,717.86 and 11,236,330.92
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Solution
The fourth proportional to 11,672,841.15, 15,991,717.86 and 11,236,330.92 is: 15,393,701.63
Step by Step Solution
- Step 1: Write the proportion equation
11,672,841.15 : 15,991,717.86 = 11,236,330.92 : x - Step 2: Convert to fraction form
11,672,841.15/15,991,717.86 = 11,236,330.92/x - Step 3: Cross multiply
11,672,841.15x = 15,991,717.86 × 11,236,330.92 - Step 4: Simplify right side
11,672,841.15x = 179,688,233,854,234.22 - Step 5: Solve for x
x = 179,688,233,854,234.22/11,672,841.15 - Step 6: Final answer
x = 15,393,701.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.