Finding the Fourth Proportional to 19,492,771.81, 26,891,581.09 and 11,753,514.62
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Solution
The fourth proportional to 19,492,771.81, 26,891,581.09 and 11,753,514.62 is: 16,214,758.71
Step by Step Solution
- Step 1: Write the proportion equation
19,492,771.81 : 26,891,581.09 = 11,753,514.62 : x - Step 2: Convert to fraction form
19,492,771.81/26,891,581.09 = 11,753,514.62/x - Step 3: Cross multiply
19,492,771.81x = 26,891,581.09 × 11,753,514.62 - Step 4: Simplify right side
19,492,771.81x = 316,070,591,504,691.94 - Step 5: Solve for x
x = 316,070,591,504,691.94/19,492,771.81 - Step 6: Final answer
x = 16,214,758.71
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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.