Finding the Fourth Proportional to 10,784,511.61, 16,177,099.57 and 4,716,119.69
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Solution
The fourth proportional to 10,784,511.61, 16,177,099.57 and 4,716,119.69 is: 7,074,324.79
Step by Step Solution
- Step 1: Write the proportion equation
10,784,511.61 : 16,177,099.57 = 4,716,119.69 : x - Step 2: Convert to fraction form
10,784,511.61/16,177,099.57 = 4,716,119.69/x - Step 3: Cross multiply
10,784,511.61x = 16,177,099.57 × 4,716,119.69 - Step 4: Simplify right side
10,784,511.61x = 76,293,137,837,819.98 - Step 5: Solve for x
x = 76,293,137,837,819.98/10,784,511.61 - Step 6: Final answer
x = 7,074,324.79
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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.