Finding the Fourth Proportional to 11,043,448.04, 16,543,621.86 and 8,603,175.13
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Solution
The fourth proportional to 11,043,448.04, 16,543,621.86 and 8,603,175.13 is: 12,887,974.45
Step by Step Solution
- Step 1: Write the proportion equation
11,043,448.04 : 16,543,621.86 = 8,603,175.13 : x - Step 2: Convert to fraction form
11,043,448.04/16,543,621.86 = 8,603,175.13/x - Step 3: Cross multiply
11,043,448.04x = 16,543,621.86 × 8,603,175.13 - Step 4: Simplify right side
11,043,448.04x = 142,327,676,134,493.94 - Step 5: Solve for x
x = 142,327,676,134,493.94/11,043,448.04 - Step 6: Final answer
x = 12,887,974.45
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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.