Finding the Fourth Proportional to 34,981,678.08, 48,274,589.52 and 19,511,750.88
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Solution
The fourth proportional to 34,981,678.08, 48,274,589.52 and 19,511,750.88 is: 26,926,145.81
Step by Step Solution
- Step 1: Write the proportion equation
34,981,678.08 : 48,274,589.52 = 19,511,750.88 : x - Step 2: Convert to fraction form
34,981,678.08/48,274,589.52 = 19,511,750.88/x - Step 3: Cross multiply
34,981,678.08x = 48,274,589.52 × 19,511,750.88 - Step 4: Simplify right side
34,981,678.08x = 941,921,764,548,498.75 - Step 5: Solve for x
x = 941,921,764,548,498.75/34,981,678.08 - Step 6: Final answer
x = 26,926,145.81
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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.