Finding the Fourth Proportional to 11,863,197.96, 17,788,394.47 and 5,382,736.97
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Solution
The fourth proportional to 11,863,197.96, 17,788,394.47 and 5,382,736.97 is: 8,071,200.44
Step by Step Solution
- Step 1: Write the proportion equation
11,863,197.96 : 17,788,394.47 = 5,382,736.97 : x - Step 2: Convert to fraction form
11,863,197.96/17,788,394.47 = 5,382,736.97/x - Step 3: Cross multiply
11,863,197.96x = 17,788,394.47 × 5,382,736.97 - Step 4: Simplify right side
11,863,197.96x = 95,750,248,550,612.55 - Step 5: Solve for x
x = 95,750,248,550,612.55/11,863,197.96 - Step 6: Final answer
x = 8,071,200.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.