Finding the Fourth Proportional to 11,898,512.48, 16,419,946.92 and 6,466,004.48
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Solution
The fourth proportional to 11,898,512.48, 16,419,946.92 and 6,466,004.48 is: 8,923,086.02
Step by Step Solution
- Step 1: Write the proportion equation
11,898,512.48 : 16,419,946.92 = 6,466,004.48 : x - Step 2: Convert to fraction form
11,898,512.48/16,419,946.92 = 6,466,004.48/x - Step 3: Cross multiply
11,898,512.48x = 16,419,946.92 × 6,466,004.48 - Step 4: Simplify right side
11,898,512.48x = 106,171,450,346,082.20 - Step 5: Solve for x
x = 106,171,450,346,082.20/11,898,512.48 - Step 6: Final answer
x = 8,923,086.02
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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.