Finding the Fourth Proportional to 29,136,286.44, 40,207,591.08 and 16,083,207.72
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Solution
The fourth proportional to 29,136,286.44, 40,207,591.08 and 16,083,207.72 is: 22,194,559.37
Step by Step Solution
- Step 1: Write the proportion equation
29,136,286.44 : 40,207,591.08 = 16,083,207.72 : x - Step 2: Convert to fraction form
29,136,286.44/40,207,591.08 = 16,083,207.72/x - Step 3: Cross multiply
29,136,286.44x = 40,207,591.08 × 16,083,207.72 - Step 4: Simplify right side
29,136,286.44x = 646,667,039,260,459.12 - Step 5: Solve for x
x = 646,667,039,260,459.12/29,136,286.44 - Step 6: Final answer
x = 22,194,559.37
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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.