Finding the Fourth Proportional to 14,372,614.13, 21,557,706.72 and 4,657,021.49
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Solution
The fourth proportional to 14,372,614.13, 21,557,706.72 and 4,657,021.49 is: 6,985,138.72
Step by Step Solution
- Step 1: Write the proportion equation
14,372,614.13 : 21,557,706.72 = 4,657,021.49 : x - Step 2: Convert to fraction form
14,372,614.13/21,557,706.72 = 4,657,021.49/x - Step 3: Cross multiply
14,372,614.13x = 21,557,706.72 × 4,657,021.49 - Step 4: Simplify right side
14,372,614.13x = 100,394,703,470,157.41 - Step 5: Solve for x
x = 100,394,703,470,157.41/14,372,614.13 - Step 6: Final answer
x = 6,985,138.72
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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.