Finding the Fourth Proportional to 11,985,674.17, 16,538,996.05 and 8,847,607.32
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Solution
The fourth proportional to 11,985,674.17, 16,538,996.05 and 8,847,607.32 is: 12,208,786.96
Step by Step Solution
- Step 1: Write the proportion equation
11,985,674.17 : 16,538,996.05 = 8,847,607.32 : x - Step 2: Convert to fraction form
11,985,674.17/16,538,996.05 = 8,847,607.32/x - Step 3: Cross multiply
11,985,674.17x = 16,538,996.05 × 8,847,607.32 - Step 4: Simplify right side
11,985,674.17x = 146,330,542,517,431.09 - Step 5: Solve for x
x = 146,330,542,517,431.09/11,985,674.17 - Step 6: Final answer
x = 12,208,786.96
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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.