Finding the Fourth Proportional to 9,682,763.18, 13,362,310.68 and 5,332,253.99
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Solution
The fourth proportional to 9,682,763.18, 13,362,310.68 and 5,332,253.99 is: 7,358,564.19
Step by Step Solution
- Step 1: Write the proportion equation
9,682,763.18 : 13,362,310.68 = 5,332,253.99 : x - Step 2: Convert to fraction form
9,682,763.18/13,362,310.68 = 5,332,253.99/x - Step 3: Cross multiply
9,682,763.18x = 13,362,310.68 × 5,332,253.99 - Step 4: Simplify right side
9,682,763.18x = 71,251,234,439,049.61 - Step 5: Solve for x
x = 71,251,234,439,049.61/9,682,763.18 - Step 6: Final answer
x = 7,358,564.19
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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.