Finding the Fourth Proportional to 21,960,763.05, 30,288,181.99 and 19,305,934.11
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Solution
The fourth proportional to 21,960,763.05, 30,288,181.99 and 19,305,934.11 is: 26,626,654.30
Step by Step Solution
- Step 1: Write the proportion equation
21,960,763.05 : 30,288,181.99 = 19,305,934.11 : x - Step 2: Convert to fraction form
21,960,763.05/30,288,181.99 = 19,305,934.11/x - Step 3: Cross multiply
21,960,763.05x = 30,288,181.99 × 19,305,934.11 - Step 4: Simplify right side
21,960,763.05x = 584,741,645,810,628.62 - Step 5: Solve for x
x = 584,741,645,810,628.62/21,960,763.05 - Step 6: Final answer
x = 26,626,654.30
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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.