Finding the Fourth Proportional to 12,051,316.23, 16,635,905.92 and 8,136,375.96
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Solution
The fourth proportional to 12,051,316.23, 16,635,905.92 and 8,136,375.96 is: 11,231,634.98
Step by Step Solution
- Step 1: Write the proportion equation
12,051,316.23 : 16,635,905.92 = 8,136,375.96 : x - Step 2: Convert to fraction form
12,051,316.23/16,635,905.92 = 8,136,375.96/x - Step 3: Cross multiply
12,051,316.23x = 16,635,905.92 × 8,136,375.96 - Step 4: Simplify right side
12,051,316.23x = 135,355,984,991,757.08 - Step 5: Solve for x
x = 135,355,984,991,757.08/12,051,316.23 - Step 6: Final answer
x = 11,231,634.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.