Finding the Fourth Proportional to 10,994,287.21, 16,491,419.88 and 7,532,616.13
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Solution
The fourth proportional to 10,994,287.21, 16,491,419.88 and 7,532,616.13 is: 11,298,916.70
Step by Step Solution
- Step 1: Write the proportion equation
10,994,287.21 : 16,491,419.88 = 7,532,616.13 : x - Step 2: Convert to fraction form
10,994,287.21/16,491,419.88 = 7,532,616.13/x - Step 3: Cross multiply
10,994,287.21x = 16,491,419.88 × 7,532,616.13 - Step 4: Simplify right side
10,994,287.21x = 124,223,535,394,690.67 - Step 5: Solve for x
x = 124,223,535,394,690.67/10,994,287.21 - Step 6: Final answer
x = 11,298,916.70
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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.