Finding the Fourth Proportional to 10,634,439.68, 14,675,451.72 and 5,805,543.68
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Solution
The fourth proportional to 10,634,439.68, 14,675,451.72 and 5,805,543.68 is: 8,011,609.31
Step by Step Solution
- Step 1: Write the proportion equation
10,634,439.68 : 14,675,451.72 = 5,805,543.68 : x - Step 2: Convert to fraction form
10,634,439.68/14,675,451.72 = 5,805,543.68/x - Step 3: Cross multiply
10,634,439.68x = 14,675,451.72 × 5,805,543.68 - Step 4: Simplify right side
10,634,439.68x = 85,198,975,984,191.12 - Step 5: Solve for x
x = 85,198,975,984,191.12/10,634,439.68 - Step 6: Final answer
x = 8,011,609.31
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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.