Finding the Fourth Proportional to 16,188,082.36, 22,339,612.92 and 8,845,916.38
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Solution
The fourth proportional to 16,188,082.36, 22,339,612.92 and 8,845,916.38 is: 12,207,396.99
Step by Step Solution
- Step 1: Write the proportion equation
16,188,082.36 : 22,339,612.92 = 8,845,916.38 : x - Step 2: Convert to fraction form
16,188,082.36/22,339,612.92 = 8,845,916.38/x - Step 3: Cross multiply
16,188,082.36x = 22,339,612.92 × 8,845,916.38 - Step 4: Simplify right side
16,188,082.36x = 197,614,347,851,887.66 - Step 5: Solve for x
x = 197,614,347,851,887.66/16,188,082.36 - Step 6: Final answer
x = 12,207,396.99
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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.