Finding the Fourth Proportional to 18,926,244, 28,448,625.60 and 12,490,674.12
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Solution
The fourth proportional to 18,926,244, 28,448,625.60 and 12,490,674.12 is: 18,775,120.49
Step by Step Solution
- Step 1: Write the proportion equation
18,926,244 : 28,448,625.60 = 12,490,674.12 : x - Step 2: Convert to fraction form
18,926,244/28,448,625.60 = 12,490,674.12/x - Step 3: Cross multiply
18,926,244x = 28,448,625.60 × 12,490,674.12 - Step 4: Simplify right side
18,926,244x = 355,342,511,531,489.44 - Step 5: Solve for x
x = 355,342,511,531,489.44/18,926,244 - Step 6: Final answer
x = 18,775,120.49
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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.