Finding the Fourth Proportional to 11,243,033.62, 15,515,383.12 and 6,086,391.38
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Solution
The fourth proportional to 11,243,033.62, 15,515,383.12 and 6,086,391.38 is: 8,399,218.33
Step by Step Solution
- Step 1: Write the proportion equation
11,243,033.62 : 15,515,383.12 = 6,086,391.38 : x - Step 2: Convert to fraction form
11,243,033.62/15,515,383.12 = 6,086,391.38/x - Step 3: Cross multiply
11,243,033.62x = 15,515,383.12 × 6,086,391.38 - Step 4: Simplify right side
11,243,033.62x = 94,432,694,078,965.50 - Step 5: Solve for x
x = 94,432,694,078,965.50/11,243,033.62 - Step 6: Final answer
x = 8,399,218.33
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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.