Finding the Fourth Proportional to 10,530,608.24, 14,531,960.61 and 5,884,431.46
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Solution
The fourth proportional to 10,530,608.24, 14,531,960.61 and 5,884,431.46 is: 8,120,359.64
Step by Step Solution
- Step 1: Write the proportion equation
10,530,608.24 : 14,531,960.61 = 5,884,431.46 : x - Step 2: Convert to fraction form
10,530,608.24/14,531,960.61 = 5,884,431.46/x - Step 3: Cross multiply
10,530,608.24x = 14,531,960.61 × 5,884,431.46 - Step 4: Simplify right side
10,530,608.24x = 85,512,326,152,634.88 - Step 5: Solve for x
x = 85,512,326,152,634.88/10,530,608.24 - Step 6: Final answer
x = 8,120,359.64
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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.