Finding the Fourth Proportional to 31,946,515.38, 47,902,723.57 and 16,578,331.11
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Solution
The fourth proportional to 31,946,515.38, 47,902,723.57 and 16,578,331.11 is: 24,858,648.99
Step by Step Solution
- Step 1: Write the proportion equation
31,946,515.38 : 47,902,723.57 = 16,578,331.11 : x - Step 2: Convert to fraction form
31,946,515.38/47,902,723.57 = 16,578,331.11/x - Step 3: Cross multiply
31,946,515.38x = 47,902,723.57 × 16,578,331.11 - Step 4: Simplify right side
31,946,515.38x = 794,147,212,414,261.25 - Step 5: Solve for x
x = 794,147,212,414,261.25/31,946,515.38 - Step 6: Final answer
x = 24,858,648.99
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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.