Finding the Fourth Proportional to 16,229,501.58, 22,396,719.09 and 8,887,791.96
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Solution
The fourth proportional to 16,229,501.58, 22,396,719.09 and 8,887,791.96 is: 12,265,156.69
Step by Step Solution
- Step 1: Write the proportion equation
16,229,501.58 : 22,396,719.09 = 8,887,791.96 : x - Step 2: Convert to fraction form
16,229,501.58/22,396,719.09 = 8,887,791.96/x - Step 3: Cross multiply
16,229,501.58x = 22,396,719.09 × 8,887,791.96 - Step 4: Simplify right side
16,229,501.58x = 199,057,379,858,480.53 - Step 5: Solve for x
x = 199,057,379,858,480.53/16,229,501.58 - Step 6: Final answer
x = 12,265,156.69
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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.