Finding the Fourth Proportional to 14,949,163.80, 22,423,745.70 and 13,484,748.60
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Solution
The fourth proportional to 14,949,163.80, 22,423,745.70 and 13,484,748.60 is: 20,227,122.90
Step by Step Solution
- Step 1: Write the proportion equation
14,949,163.80 : 22,423,745.70 = 13,484,748.60 : x - Step 2: Convert to fraction form
14,949,163.80/22,423,745.70 = 13,484,748.60/x - Step 3: Cross multiply
14,949,163.80x = 22,423,745.70 × 13,484,748.60 - Step 4: Simplify right side
14,949,163.80x = 302,378,573,434,831 - Step 5: Solve for x
x = 302,378,573,434,831/14,949,163.80 - Step 6: Final answer
x = 20,227,122.90
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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.