Finding the Fourth Proportional to 16,001,682.70, 22,082,389.42 and 8,659,516.18
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Solution
The fourth proportional to 16,001,682.70, 22,082,389.42 and 8,659,516.18 is: 11,950,168.75
Step by Step Solution
- Step 1: Write the proportion equation
16,001,682.70 : 22,082,389.42 = 8,659,516.18 : x - Step 2: Convert to fraction form
16,001,682.70/22,082,389.42 = 8,659,516.18/x - Step 3: Cross multiply
16,001,682.70x = 22,082,389.42 × 8,659,516.18 - Step 4: Simplify right side
16,001,682.70x = 191,222,808,475,550.81 - Step 5: Solve for x
x = 191,222,808,475,550.81/16,001,682.70 - Step 6: Final answer
x = 11,950,168.75
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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.