Finding the Fourth Proportional to 8,471,622.24, 11,690,928.99 and 4,604,143.59
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Solution
The fourth proportional to 8,471,622.24, 11,690,928.99 and 4,604,143.59 is: 6,353,767.23
Step by Step Solution
- Step 1: Write the proportion equation
8,471,622.24 : 11,690,928.99 = 4,604,143.59 : x - Step 2: Convert to fraction form
8,471,622.24/11,690,928.99 = 4,604,143.59/x - Step 3: Cross multiply
8,471,622.24x = 11,690,928.99 × 4,604,143.59 - Step 4: Simplify right side
8,471,622.24x = 53,826,715,770,453.67 - Step 5: Solve for x
x = 53,826,715,770,453.67/8,471,622.24 - Step 6: Final answer
x = 6,353,767.23
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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.