Finding the Fourth Proportional to 31,861,160.26, 47,778,564.62 and 9,994,245.75
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Solution
The fourth proportional to 31,861,160.26, 47,778,564.62 and 9,994,245.75 is: 14,987,235.64
Step by Step Solution
- Step 1: Write the proportion equation
31,861,160.26 : 47,778,564.62 = 9,994,245.75 : x - Step 2: Convert to fraction form
31,861,160.26/47,778,564.62 = 9,994,245.75/x - Step 3: Cross multiply
31,861,160.26x = 47,778,564.62 × 9,994,245.75 - Step 4: Simplify right side
31,861,160.26x = 477,510,716,419,521 - Step 5: Solve for x
x = 477,510,716,419,521/31,861,160.26 - Step 6: Final answer
x = 14,987,235.64
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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.