Finding the Fourth Proportional to 16,318,046.26, 22,519,439.22 and 8,976,443.09
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Solution
The fourth proportional to 16,318,046.26, 22,519,439.22 and 8,976,443.09 is: 12,387,785.96
Step by Step Solution
- Step 1: Write the proportion equation
16,318,046.26 : 22,519,439.22 = 8,976,443.09 : x - Step 2: Convert to fraction form
16,318,046.26/22,519,439.22 = 8,976,443.09/x - Step 3: Cross multiply
16,318,046.26x = 22,519,439.22 × 8,976,443.09 - Step 4: Simplify right side
16,318,046.26x = 202,144,464,447,616 - Step 5: Solve for x
x = 202,144,464,447,616/16,318,046.26 - Step 6: Final answer
x = 12,387,785.96
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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.