Finding the Fourth Proportional to 7,364,828.93, 10,168,116.62 and 5,427,715.55
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Solution
The fourth proportional to 7,364,828.93, 10,168,116.62 and 5,427,715.55 is: 7,493,676.39
Step by Step Solution
- Step 1: Write the proportion equation
7,364,828.93 : 10,168,116.62 = 5,427,715.55 : x - Step 2: Convert to fraction form
7,364,828.93/10,168,116.62 = 5,427,715.55/x - Step 3: Cross multiply
7,364,828.93x = 10,168,116.62 × 5,427,715.55 - Step 4: Simplify right side
7,364,828.93x = 55,189,644,614,608.28 - Step 5: Solve for x
x = 55,189,644,614,608.28/7,364,828.93 - Step 6: Final answer
x = 7,493,676.39
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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.