Finding the Fourth Proportional to 19,449,644.26, 29,175,710.55 and 7,482,380.26
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Solution
The fourth proportional to 19,449,644.26, 29,175,710.55 and 7,482,380.26 is: 11,224,049.02
Step by Step Solution
- Step 1: Write the proportion equation
19,449,644.26 : 29,175,710.55 = 7,482,380.26 : x - Step 2: Convert to fraction form
19,449,644.26/29,175,710.55 = 7,482,380.26/x - Step 3: Cross multiply
19,449,644.26x = 29,175,710.55 × 7,482,380.26 - Step 4: Simplify right side
19,449,644.26x = 218,303,760,690,793.75 - Step 5: Solve for x
x = 218,303,760,690,793.75/19,449,644.26 - Step 6: Final answer
x = 11,224,049.02
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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.