Finding the Fourth Proportional to 18,760,503.99, 28,154,213.33 and 7,985,373.69
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Solution
The fourth proportional to 18,760,503.99, 28,154,213.33 and 7,985,373.69 is: 11,983,788.63
Step by Step Solution
- Step 1: Write the proportion equation
18,760,503.99 : 28,154,213.33 = 7,985,373.69 : x - Step 2: Convert to fraction form
18,760,503.99/28,154,213.33 = 7,985,373.69/x - Step 3: Cross multiply
18,760,503.99x = 28,154,213.33 × 7,985,373.69 - Step 4: Simplify right side
18,760,503.99x = 224,821,914,348,102.44 - Step 5: Solve for x
x = 224,821,914,348,102.44/18,760,503.99 - Step 6: Final answer
x = 11,983,788.63
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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.