Finding the Fourth Proportional to 18,598,816.80, 27,848,458.80 and 11,830,586.40
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Solution
The fourth proportional to 18,598,816.80, 27,848,458.80 and 11,830,586.40 is: 17,714,223.52
Step by Step Solution
- Step 1: Write the proportion equation
18,598,816.80 : 27,848,458.80 = 11,830,586.40 : x - Step 2: Convert to fraction form
18,598,816.80/27,848,458.80 = 11,830,586.40/x - Step 3: Cross multiply
18,598,816.80x = 27,848,458.80 × 11,830,586.40 - Step 4: Simplify right side
18,598,816.80x = 329,463,597,940,240.31 - Step 5: Solve for x
x = 329,463,597,940,240.31/18,598,816.80 - Step 6: Final answer
x = 17,714,223.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.