Finding the Fourth Proportional to 16,313,467.59, 22,513,163.00 and 8,971,868.97
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Solution
The fourth proportional to 16,313,467.59, 22,513,163.00 and 8,971,868.97 is: 12,381,496.91
Step by Step Solution
- Step 1: Write the proportion equation
16,313,467.59 : 22,513,163.00 = 8,971,868.97 : x - Step 2: Convert to fraction form
16,313,467.59/22,513,163.00 = 8,971,868.97/x - Step 3: Cross multiply
16,313,467.59x = 22,513,163.00 × 8,971,868.97 - Step 4: Simplify right side
16,313,467.59x = 201,985,148,491,392.78 - Step 5: Solve for x
x = 201,985,148,491,392.78/16,313,467.59 - Step 6: Final answer
x = 12,381,496.91
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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.