Finding the Fourth Proportional to 30,503,772.68, 45,755,620.38 and 7,784,670.44
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Solution
The fourth proportional to 30,503,772.68, 45,755,620.38 and 7,784,670.44 is: 11,676,995.80
Step by Step Solution
- Step 1: Write the proportion equation
30,503,772.68 : 45,755,620.38 = 7,784,670.44 : x - Step 2: Convert to fraction form
30,503,772.68/45,755,620.38 = 7,784,670.44/x - Step 3: Cross multiply
30,503,772.68x = 45,755,620.38 × 7,784,670.44 - Step 4: Simplify right side
30,503,772.68x = 356,192,425,436,047.62 - Step 5: Solve for x
x = 356,192,425,436,047.62/30,503,772.68 - Step 6: Final answer
x = 11,676,995.80
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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.