Finding the Fourth Proportional to 34,279,542.06, 51,419,614.41 and 8,720,578.50
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Solution
The fourth proportional to 34,279,542.06, 51,419,614.41 and 8,720,578.50 is: 13,080,944.40
Step by Step Solution
- Step 1: Write the proportion equation
34,279,542.06 : 51,419,614.41 = 8,720,578.50 : x - Step 2: Convert to fraction form
34,279,542.06/51,419,614.41 = 8,720,578.50/x - Step 3: Cross multiply
34,279,542.06x = 51,419,614.41 × 8,720,578.50 - Step 4: Simplify right side
34,279,542.06x = 448,408,783,902,136.12 - Step 5: Solve for x
x = 448,408,783,902,136.12/34,279,542.06 - Step 6: Final answer
x = 13,080,944.40
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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.