Finding the Fourth Proportional to 18,107,514.14, 27,161,278.56 and 4,460,925.98
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Solution
The fourth proportional to 18,107,514.14, 27,161,278.56 and 4,460,925.98 is: 6,691,390.78
Step by Step Solution
- Step 1: Write the proportion equation
18,107,514.14 : 27,161,278.56 = 4,460,925.98 : x - Step 2: Convert to fraction form
18,107,514.14/27,161,278.56 = 4,460,925.98/x - Step 3: Cross multiply
18,107,514.14x = 27,161,278.56 × 4,460,925.98 - Step 4: Simplify right side
18,107,514.14x = 121,164,453,178,321 - Step 5: Solve for x
x = 121,164,453,178,321/18,107,514.14 - Step 6: Final answer
x = 6,691,390.78
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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.