Finding the Fourth Proportional to 11,691,165.29, 16,133,157.20 and 6,463,871.15
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Solution
The fourth proportional to 11,691,165.29, 16,133,157.20 and 6,463,871.15 is: 8,919,782.31
Step by Step Solution
- Step 1: Write the proportion equation
11,691,165.29 : 16,133,157.20 = 6,463,871.15 : x - Step 2: Convert to fraction form
11,691,165.29/16,133,157.20 = 6,463,871.15/x - Step 3: Cross multiply
11,691,165.29x = 16,133,157.20 × 6,463,871.15 - Step 4: Simplify right side
11,691,165.29x = 104,282,649,351,175.44 - Step 5: Solve for x
x = 104,282,649,351,175.44/11,691,165.29 - Step 6: Final answer
x = 8,919,782.31
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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.