Finding the Fourth Proportional to 16,045,916.36, 22,143,233.52 and 8,703,731.12
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Solution
The fourth proportional to 16,045,916.36, 22,143,233.52 and 8,703,731.12 is: 12,011,077.86
Step by Step Solution
- Step 1: Write the proportion equation
16,045,916.36 : 22,143,233.52 = 8,703,731.12 : x - Step 2: Convert to fraction form
16,045,916.36/22,143,233.52 = 8,703,731.12/x - Step 3: Cross multiply
16,045,916.36x = 22,143,233.52 × 8,703,731.12 - Step 4: Simplify right side
16,045,916.36x = 192,728,750,685,451.12 - Step 5: Solve for x
x = 192,728,750,685,451.12/16,045,916.36 - Step 6: Final answer
x = 12,011,077.86
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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.