Finding the Fourth Proportional to 16,817,614.20, 25,173,277.20 and 13,203,815.40
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Solution
The fourth proportional to 16,817,614.20, 25,173,277.20 and 13,203,815.40 is: 19,763,998.70
Step by Step Solution
- Step 1: Write the proportion equation
16,817,614.20 : 25,173,277.20 = 13,203,815.40 : x - Step 2: Convert to fraction form
16,817,614.20/25,173,277.20 = 13,203,815.40/x - Step 3: Cross multiply
16,817,614.20x = 25,173,277.20 × 13,203,815.40 - Step 4: Simplify right side
16,817,614.20x = 332,383,305,161,828.88 - Step 5: Solve for x
x = 332,383,305,161,828.88/16,817,614.20 - Step 6: Final answer
x = 19,763,998.70
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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.