Finding the Fourth Proportional to 11,048,203.20, 16,544,311.20 and 8,808,715.20
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Solution
The fourth proportional to 11,048,203.20, 16,544,311.20 and 8,808,715.20 is: 13,190,753.55
Step by Step Solution
- Step 1: Write the proportion equation
11,048,203.20 : 16,544,311.20 = 8,808,715.20 : x - Step 2: Convert to fraction form
11,048,203.20/16,544,311.20 = 8,808,715.20/x - Step 3: Cross multiply
11,048,203.20x = 16,544,311.20 × 8,808,715.20 - Step 4: Simplify right side
11,048,203.20x = 145,734,125,540,970.22 - Step 5: Solve for x
x = 145,734,125,540,970.22/11,048,203.20 - Step 6: Final answer
x = 13,190,753.55
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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.