Finding the Fourth Proportional to 14,841,168.42, 20,482,974.60 and 8,315,238.99
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Solution
The fourth proportional to 14,841,168.42, 20,482,974.60 and 8,315,238.99 is: 11,476,241.24
Step by Step Solution
- Step 1: Write the proportion equation
14,841,168.42 : 20,482,974.60 = 8,315,238.99 : x - Step 2: Convert to fraction form
14,841,168.42/20,482,974.60 = 8,315,238.99/x - Step 3: Cross multiply
14,841,168.42x = 20,482,974.60 × 8,315,238.99 - Step 4: Simplify right side
14,841,168.42x = 170,320,829,025,099.66 - Step 5: Solve for x
x = 170,320,829,025,099.66/14,841,168.42 - Step 6: Final answer
x = 11,476,241.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.