Finding the Fourth Proportional to 11,350,468.67, 15,663,979.94 and 6,194,162.97
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Solution
The fourth proportional to 11,350,468.67, 15,663,979.94 and 6,194,162.97 is: 8,548,126.72
Step by Step Solution
- Step 1: Write the proportion equation
11,350,468.67 : 15,663,979.94 = 6,194,162.97 : x - Step 2: Convert to fraction form
11,350,468.67/15,663,979.94 = 6,194,162.97/x - Step 3: Cross multiply
11,350,468.67x = 15,663,979.94 × 6,194,162.97 - Step 4: Simplify right side
11,350,468.67x = 97,025,244,476,200 - Step 5: Solve for x
x = 97,025,244,476,200/11,350,468.67 - Step 6: Final answer
x = 8,548,126.72
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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.