Finding the Fourth Proportional to 14,379,687.48, 19,844,458.38 and 8,504,358.12
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Solution
The fourth proportional to 14,379,687.48, 19,844,458.38 and 8,504,358.12 is: 11,736,303.80
Step by Step Solution
- Step 1: Write the proportion equation
14,379,687.48 : 19,844,458.38 = 8,504,358.12 : x - Step 2: Convert to fraction form
14,379,687.48/19,844,458.38 = 8,504,358.12/x - Step 3: Cross multiply
14,379,687.48x = 19,844,458.38 × 8,504,358.12 - Step 4: Simplify right side
14,379,687.48x = 168,764,380,760,955.03 - Step 5: Solve for x
x = 168,764,380,760,955.03/14,379,687.48 - Step 6: Final answer
x = 11,736,303.80
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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.