Finding the Fourth Proportional to 20,288,165.04, 27,981,342.68 and 17,835,532.02
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Solution
The fourth proportional to 20,288,165.04, 27,981,342.68 and 17,835,532.02 is: 24,598,682.64
Step by Step Solution
- Step 1: Write the proportion equation
20,288,165.04 : 27,981,342.68 = 17,835,532.02 : x - Step 2: Convert to fraction form
20,288,165.04/27,981,342.68 = 17,835,532.02/x - Step 3: Cross multiply
20,288,165.04x = 27,981,342.68 × 17,835,532.02 - Step 4: Simplify right side
20,288,165.04x = 499,062,133,242,554.94 - Step 5: Solve for x
x = 499,062,133,242,554.94/20,288,165.04 - Step 6: Final answer
x = 24,598,682.64
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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.