Finding the Fourth Proportional to 16,311,497.10, 22,509,095.34 and 8,969,639.68
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Solution
The fourth proportional to 16,311,497.10, 22,509,095.34 and 8,969,639.68 is: 12,377,678.98
Step by Step Solution
- Step 1: Write the proportion equation
16,311,497.10 : 22,509,095.34 = 8,969,639.68 : x - Step 2: Convert to fraction form
16,311,497.10/22,509,095.34 = 8,969,639.68/x - Step 3: Cross multiply
16,311,497.10x = 22,509,095.34 × 8,969,639.68 - Step 4: Simplify right side
16,311,497.10x = 201,898,474,722,567.09 - Step 5: Solve for x
x = 201,898,474,722,567.09/16,311,497.10 - Step 6: Final answer
x = 12,377,678.98
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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.