Finding the Fourth Proportional to 20,296,958.05, 27,982,706.34 and 16,124,487
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Solution
The fourth proportional to 20,296,958.05, 27,982,706.34 and 16,124,487 is: 22,230,266.40
Step by Step Solution
- Step 1: Write the proportion equation
20,296,958.05 : 27,982,706.34 = 16,124,487 : x - Step 2: Convert to fraction form
20,296,958.05/27,982,706.34 = 16,124,487/x - Step 3: Cross multiply
20,296,958.05x = 27,982,706.34 × 16,124,487 - Step 4: Simplify right side
20,296,958.05x = 451,206,784,604,147.56 - Step 5: Solve for x
x = 451,206,784,604,147.56/20,296,958.05 - Step 6: Final answer
x = 22,230,266.40
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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.