Finding the Fourth Proportional to 11,066,827.20, 16,603,351.20 and 5,387,236.80
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Solution
The fourth proportional to 11,066,827.20, 16,603,351.20 and 5,387,236.80 is: 8,082,369.32
Step by Step Solution
- Step 1: Write the proportion equation
11,066,827.20 : 16,603,351.20 = 5,387,236.80 : x - Step 2: Convert to fraction form
11,066,827.20/16,603,351.20 = 5,387,236.80/x - Step 3: Cross multiply
11,066,827.20x = 16,603,351.20 × 5,387,236.80 - Step 4: Simplify right side
11,066,827.20x = 89,446,184,587,964.16 - Step 5: Solve for x
x = 89,446,184,587,964.16/11,066,827.20 - Step 6: Final answer
x = 8,082,369.32
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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.