Finding the Fourth Proportional to 16,607,828.82, 24,891,814.20 and 8,516,639.60
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Solution
The fourth proportional to 16,607,828.82, 24,891,814.20 and 8,516,639.60 is: 12,764,739.62
Step by Step Solution
- Step 1: Write the proportion equation
16,607,828.82 : 24,891,814.20 = 8,516,639.60 : x - Step 2: Convert to fraction form
16,607,828.82/24,891,814.20 = 8,516,639.60/x - Step 3: Cross multiply
16,607,828.82x = 24,891,814.20 × 8,516,639.60 - Step 4: Simplify right side
16,607,828.82x = 211,994,610,531,562.31 - Step 5: Solve for x
x = 211,994,610,531,562.31/16,607,828.82 - Step 6: Final answer
x = 12,764,739.62
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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.