Finding the Fourth Proportional to 49,212,493.14, 67,915,303.92 and 28,304,531.62
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Solution
The fourth proportional to 49,212,493.14, 67,915,303.92 and 28,304,531.62 is: 39,061,440.39
Step by Step Solution
- Step 1: Write the proportion equation
49,212,493.14 : 67,915,303.92 = 28,304,531.62 : x - Step 2: Convert to fraction form
49,212,493.14/67,915,303.92 = 28,304,531.62/x - Step 3: Cross multiply
49,212,493.14x = 67,915,303.92 × 28,304,531.62 - Step 4: Simplify right side
49,212,493.14x = 1,922,310,867,227,204 - Step 5: Solve for x
x = 1,922,310,867,227,204/49,212,493.14 - Step 6: Final answer
x = 39,061,440.39
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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.