Finding the Fourth Proportional to 16,320,819.68, 24,475,944.26 and 5,388,553.43
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Solution
The fourth proportional to 16,320,819.68, 24,475,944.26 and 5,388,553.43 is: 8,081,085.13
Step by Step Solution
- Step 1: Write the proportion equation
16,320,819.68 : 24,475,944.26 = 5,388,553.43 : x - Step 2: Convert to fraction form
16,320,819.68/24,475,944.26 = 5,388,553.43/x - Step 3: Cross multiply
16,320,819.68x = 24,475,944.26 × 5,388,553.43 - Step 4: Simplify right side
16,320,819.68x = 131,889,933,245,389.31 - Step 5: Solve for x
x = 131,889,933,245,389.31/16,320,819.68 - Step 6: Final answer
x = 8,081,085.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.