Finding the Fourth Proportional to 8,910,691.94, 12,294,647.33 and 5,043,213.09
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Solution
The fourth proportional to 8,910,691.94, 12,294,647.33 and 5,043,213.09 is: 6,958,441.25
Step by Step Solution
- Step 1: Write the proportion equation
8,910,691.94 : 12,294,647.33 = 5,043,213.09 : x - Step 2: Convert to fraction form
8,910,691.94/12,294,647.33 = 5,043,213.09/x - Step 3: Cross multiply
8,910,691.94x = 12,294,647.33 × 5,043,213.09 - Step 4: Simplify right side
8,910,691.94x = 62,004,526,326,373.48 - Step 5: Solve for x
x = 62,004,526,326,373.48/8,910,691.94 - Step 6: Final answer
x = 6,958,441.25
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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.