Finding the Fourth Proportional to 16,381,239.40, 24,571,859.10 and 13,192,593.40
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Solution
The fourth proportional to 16,381,239.40, 24,571,859.10 and 13,192,593.40 is: 19,788,890.10
Step by Step Solution
- Step 1: Write the proportion equation
16,381,239.40 : 24,571,859.10 = 13,192,593.40 : x - Step 2: Convert to fraction form
16,381,239.40/24,571,859.10 = 13,192,593.40/x - Step 3: Cross multiply
16,381,239.40x = 24,571,859.10 × 13,192,593.40 - Step 4: Simplify right side
16,381,239.40x = 324,166,546,188,390 - Step 5: Solve for x
x = 324,166,546,188,390/16,381,239.40 - Step 6: Final answer
x = 19,788,890.10
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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.