Finding the Fourth Proportional to 18,492,092.70, 27,738,139.05 and 8,394,713.70
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Solution
The fourth proportional to 18,492,092.70, 27,738,139.05 and 8,394,713.70 is: 12,592,070.55
Step by Step Solution
- Step 1: Write the proportion equation
18,492,092.70 : 27,738,139.05 = 8,394,713.70 : x - Step 2: Convert to fraction form
18,492,092.70/27,738,139.05 = 8,394,713.70/x - Step 3: Cross multiply
18,492,092.70x = 27,738,139.05 × 8,394,713.70 - Step 4: Simplify right side
18,492,092.70x = 232,853,735,895,539.97 - Step 5: Solve for x
x = 232,853,735,895,539.97/18,492,092.70 - Step 6: Final answer
x = 12,592,070.55
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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.