Finding the Fourth Proportional to 8,431,049.44, 11,634,877.32 and 4,563,569.62
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Solution
The fourth proportional to 8,431,049.44, 11,634,877.32 and 4,563,569.62 is: 6,297,741.82
Step by Step Solution
- Step 1: Write the proportion equation
8,431,049.44 : 11,634,877.32 = 4,563,569.62 : x - Step 2: Convert to fraction form
8,431,049.44/11,634,877.32 = 4,563,569.62/x - Step 3: Cross multiply
8,431,049.44x = 11,634,877.32 × 4,563,569.62 - Step 4: Simplify right side
8,431,049.44x = 53,096,572,669,979.02 - Step 5: Solve for x
x = 53,096,572,669,979.02/8,431,049.44 - Step 6: Final answer
x = 6,297,741.82
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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.