Finding the Fourth Proportional to 14,619,826.84, 21,942,337.40 and 10,135,252.12
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Solution
The fourth proportional to 14,619,826.84, 21,942,337.40 and 10,135,252.12 is: 15,211,611.20
Step by Step Solution
- Step 1: Write the proportion equation
14,619,826.84 : 21,942,337.40 = 10,135,252.12 : x - Step 2: Convert to fraction form
14,619,826.84/21,942,337.40 = 10,135,252.12/x - Step 3: Cross multiply
14,619,826.84x = 21,942,337.40 × 10,135,252.12 - Step 4: Simplify right side
14,619,826.84x = 222,391,121,651,105.25 - Step 5: Solve for x
x = 222,391,121,651,105.25/14,619,826.84 - Step 6: Final answer
x = 15,211,611.20
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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.