Finding the Fourth Proportional to 11,053,163.60, 16,579,745.40 and 6,563,128.40
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Solution
The fourth proportional to 11,053,163.60, 16,579,745.40 and 6,563,128.40 is: 9,844,692.60
Step by Step Solution
- Step 1: Write the proportion equation
11,053,163.60 : 16,579,745.40 = 6,563,128.40 : x - Step 2: Convert to fraction form
11,053,163.60/16,579,745.40 = 6,563,128.40/x - Step 3: Cross multiply
11,053,163.60x = 16,579,745.40 × 6,563,128.40 - Step 4: Simplify right side
11,053,163.60x = 108,814,997,899,509.38 - Step 5: Solve for x
x = 108,814,997,899,509.38/11,053,163.60 - Step 6: Final answer
x = 9,844,692.60
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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.