Finding the Fourth Proportional to 20,296,954.92, 27,982,701.90 and 16,124,483.94
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Solution
The fourth proportional to 20,296,954.92, 27,982,701.90 and 16,124,483.94 is: 22,230,262.08
Step by Step Solution
- Step 1: Write the proportion equation
20,296,954.92 : 27,982,701.90 = 16,124,483.94 : x - Step 2: Convert to fraction form
20,296,954.92/27,982,701.90 = 16,124,483.94/x - Step 3: Cross multiply
20,296,954.92x = 27,982,701.90 × 16,124,483.94 - Step 4: Simplify right side
20,296,954.92x = 451,206,627,384,357.44 - Step 5: Solve for x
x = 451,206,627,384,357.44/20,296,954.92 - Step 6: Final answer
x = 22,230,262.08
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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.