Finding the Fourth Proportional to 16,198,657.25, 22,354,613.57 and 8,955,779.81
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Solution
The fourth proportional to 16,198,657.25, 22,354,613.57 and 8,955,779.81 is: 12,359,234.09
Step by Step Solution
- Step 1: Write the proportion equation
16,198,657.25 : 22,354,613.57 = 8,955,779.81 : x - Step 2: Convert to fraction form
16,198,657.25/22,354,613.57 = 8,955,779.81/x - Step 3: Cross multiply
16,198,657.25x = 22,354,613.57 × 8,955,779.81 - Step 4: Simplify right side
16,198,657.25x = 200,202,996,870,558.03 - Step 5: Solve for x
x = 200,202,996,870,558.03/16,198,657.25 - Step 6: Final answer
x = 12,359,234.09
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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.