Finding the Fourth Proportional to 16,479,409.50, 22,741,858.49 and 9,137,552.09
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Solution
The fourth proportional to 16,479,409.50, 22,741,858.49 and 9,137,552.09 is: 12,609,973.46
Step by Step Solution
- Step 1: Write the proportion equation
16,479,409.50 : 22,741,858.49 = 9,137,552.09 : x - Step 2: Convert to fraction form
16,479,409.50/22,741,858.49 = 9,137,552.09/x - Step 3: Cross multiply
16,479,409.50x = 22,741,858.49 × 9,137,552.09 - Step 4: Simplify right side
16,479,409.50x = 207,804,916,416,386.72 - Step 5: Solve for x
x = 207,804,916,416,386.72/16,479,409.50 - Step 6: Final answer
x = 12,609,973.46
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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.