Finding the Fourth Proportional to 10,397,914.58, 15,590,868.39 and 3,207,517.82
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Solution
The fourth proportional to 10,397,914.58, 15,590,868.39 and 3,207,517.82 is: 4,809,424.79
Step by Step Solution
- Step 1: Write the proportion equation
10,397,914.58 : 15,590,868.39 = 3,207,517.82 : x - Step 2: Convert to fraction form
10,397,914.58/15,590,868.39 = 3,207,517.82/x - Step 3: Cross multiply
10,397,914.58x = 15,590,868.39 × 3,207,517.82 - Step 4: Simplify right side
10,397,914.58x = 50,007,988,190,199.71 - Step 5: Solve for x
x = 50,007,988,190,199.71/10,397,914.58 - Step 6: Final answer
x = 4,809,424.79
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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.