Finding the Fourth Proportional to 18,295,524.20, 27,406,694.40 and 11,004,959.43
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Solution
The fourth proportional to 18,295,524.20, 27,406,694.40 and 11,004,959.43 is: 16,485,428.72
Step by Step Solution
- Step 1: Write the proportion equation
18,295,524.20 : 27,406,694.40 = 11,004,959.43 : x - Step 2: Convert to fraction form
18,295,524.20/27,406,694.40 = 11,004,959.43/x - Step 3: Cross multiply
18,295,524.20x = 27,406,694.40 × 11,004,959.43 - Step 4: Simplify right side
18,295,524.20x = 301,609,559,982,408.19 - Step 5: Solve for x
x = 301,609,559,982,408.19/18,295,524.20 - Step 6: Final answer
x = 16,485,428.72
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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.