Finding the Fourth Proportional to 8,682,950.40, 11,983,207.68 and 4,816,717.12
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Solution
The fourth proportional to 8,682,950.40, 11,983,207.68 and 4,816,717.12 is: 6,647,477.98
Step by Step Solution
- Step 1: Write the proportion equation
8,682,950.40 : 11,983,207.68 = 4,816,717.12 : x - Step 2: Convert to fraction form
8,682,950.40/11,983,207.68 = 4,816,717.12/x - Step 3: Cross multiply
8,682,950.40x = 11,983,207.68 × 4,816,717.12 - Step 4: Simplify right side
8,682,950.40x = 57,719,721,584,771.48 - Step 5: Solve for x
x = 57,719,721,584,771.48/8,682,950.40 - Step 6: Final answer
x = 6,647,477.98
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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.