Finding the Fourth Proportional to 8,540,896.82, 11,786,437.61 and 4,673,417.99
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Solution
The fourth proportional to 8,540,896.82, 11,786,437.61 and 4,673,417.99 is: 6,449,316.82
Step by Step Solution
- Step 1: Write the proportion equation
8,540,896.82 : 11,786,437.61 = 4,673,417.99 : x - Step 2: Convert to fraction form
8,540,896.82/11,786,437.61 = 4,673,417.99/x - Step 3: Cross multiply
8,540,896.82x = 11,786,437.61 × 4,673,417.99 - Step 4: Simplify right side
8,540,896.82x = 55,082,949,499,812.65 - Step 5: Solve for x
x = 55,082,949,499,812.65/8,540,896.82 - Step 6: Final answer
x = 6,449,316.82
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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.