Finding the Fourth Proportional to 18,126,977.62, 27,190,199.84 and 4,480,125.36
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Solution
The fourth proportional to 18,126,977.62, 27,190,199.84 and 4,480,125.36 is: 6,720,122.15
Step by Step Solution
- Step 1: Write the proportion equation
18,126,977.62 : 27,190,199.84 = 4,480,125.36 : x - Step 2: Convert to fraction form
18,126,977.62/27,190,199.84 = 4,480,125.36/x - Step 3: Cross multiply
18,126,977.62x = 27,190,199.84 × 4,480,125.36 - Step 4: Simplify right side
18,126,977.62x = 121,815,503,846,651.95 - Step 5: Solve for x
x = 121,815,503,846,651.95/18,126,977.62 - Step 6: Final answer
x = 6,720,122.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.