Finding the Fourth Proportional to 11,066,838.20, 16,603,367.70 and 5,387,247.80
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Solution
The fourth proportional to 11,066,838.20, 16,603,367.70 and 5,387,247.80 is: 8,082,385.82
Step by Step Solution
- Step 1: Write the proportion equation
11,066,838.20 : 16,603,367.70 = 5,387,247.80 : x - Step 2: Convert to fraction form
11,066,838.20/16,603,367.70 = 5,387,247.80/x - Step 3: Cross multiply
11,066,838.20x = 16,603,367.70 × 5,387,247.80 - Step 4: Simplify right side
11,066,838.20x = 89,446,456,114,416.05 - Step 5: Solve for x
x = 89,446,456,114,416.05/11,066,838.20 - Step 6: Final answer
x = 8,082,385.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.