Finding the Fourth Proportional to 13,269,230.52, 18,304,514.64 and 9,132,078.99
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Solution
The fourth proportional to 13,269,230.52, 18,304,514.64 and 9,132,078.99 is: 12,597,435.35
Step by Step Solution
- Step 1: Write the proportion equation
13,269,230.52 : 18,304,514.64 = 9,132,078.99 : x - Step 2: Convert to fraction form
13,269,230.52/18,304,514.64 = 9,132,078.99/x - Step 3: Cross multiply
13,269,230.52x = 18,304,514.64 × 9,132,078.99 - Step 4: Simplify right side
13,269,230.52x = 167,158,273,566,091.44 - Step 5: Solve for x
x = 167,158,273,566,091.44/13,269,230.52 - Step 6: Final answer
x = 12,597,435.35
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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.