Finding the Fourth Proportional to 11,726,720.10, 16,183,843.29 and 6,501,367.99
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Solution
The fourth proportional to 11,726,720.10, 16,183,843.29 and 6,501,367.99 is: 8,972,425.35
Step by Step Solution
- Step 1: Write the proportion equation
11,726,720.10 : 16,183,843.29 = 6,501,367.99 : x - Step 2: Convert to fraction form
11,726,720.10/16,183,843.29 = 6,501,367.99/x - Step 3: Cross multiply
11,726,720.10x = 16,183,843.29 × 6,501,367.99 - Step 4: Simplify right side
11,726,720.10x = 105,217,120,702,864.97 - Step 5: Solve for x
x = 105,217,120,702,864.97/11,726,720.10 - Step 6: Final answer
x = 8,972,425.35
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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.