Finding the Fourth Proportional to 8,121,177.06, 11,207,222.82 and 4,858,129.32
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Solution
The fourth proportional to 8,121,177.06, 11,207,222.82 and 4,858,129.32 is: 6,704,217.55
Step by Step Solution
- Step 1: Write the proportion equation
8,121,177.06 : 11,207,222.82 = 4,858,129.32 : x - Step 2: Convert to fraction form
8,121,177.06/11,207,222.82 = 4,858,129.32/x - Step 3: Cross multiply
8,121,177.06x = 11,207,222.82 × 4,858,129.32 - Step 4: Simplify right side
8,121,177.06x = 54,446,137,777,615.09 - Step 5: Solve for x
x = 54,446,137,777,615.09/8,121,177.06 - Step 6: Final answer
x = 6,704,217.55
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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.