Finding the Fourth Proportional to 8,463,658.30, 11,679,850.74 and 4,596,178.44
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Solution
The fourth proportional to 8,463,658.30, 11,679,850.74 and 4,596,178.44 is: 6,342,727.49
Step by Step Solution
- Step 1: Write the proportion equation
8,463,658.30 : 11,679,850.74 = 4,596,178.44 : x - Step 2: Convert to fraction form
8,463,658.30/11,679,850.74 = 4,596,178.44/x - Step 3: Cross multiply
8,463,658.30x = 11,679,850.74 × 4,596,178.44 - Step 4: Simplify right side
8,463,658.30x = 53,682,678,153,606.05 - Step 5: Solve for x
x = 53,682,678,153,606.05/8,463,658.30 - Step 6: Final answer
x = 6,342,727.49
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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.