Finding the Fourth Proportional to 13,614,591.49, 18,788,135.96 and 7,503,019.99
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Solution
The fourth proportional to 13,614,591.49, 18,788,135.96 and 7,503,019.99 is: 10,354,167.42
Step by Step Solution
- Step 1: Write the proportion equation
13,614,591.49 : 18,788,135.96 = 7,503,019.99 : x - Step 2: Convert to fraction form
13,614,591.49/18,788,135.96 = 7,503,019.99/x - Step 3: Cross multiply
13,614,591.49x = 18,788,135.96 × 7,503,019.99 - Step 4: Simplify right side
13,614,591.49x = 140,967,759,682,717.84 - Step 5: Solve for x
x = 140,967,759,682,717.84/13,614,591.49 - Step 6: Final answer
x = 10,354,167.42
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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.