Finding the Fourth Proportional to 18,018,680.13, 24,866,233.16 and 11,053,198.58
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Solution
The fourth proportional to 18,018,680.13, 24,866,233.16 and 11,053,198.58 is: 15,253,692.88
Step by Step Solution
- Step 1: Write the proportion equation
18,018,680.13 : 24,866,233.16 = 11,053,198.58 : x - Step 2: Convert to fraction form
18,018,680.13/24,866,233.16 = 11,053,198.58/x - Step 3: Cross multiply
18,018,680.13x = 24,866,233.16 × 11,053,198.58 - Step 4: Simplify right side
18,018,680.13x = 274,851,412,874,463.75 - Step 5: Solve for x
x = 274,851,412,874,463.75/18,018,680.13 - Step 6: Final answer
x = 15,253,692.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.