Finding the Fourth Proportional to 19,825,082.34, 29,737,582.58 and 11,185,260.72
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Solution
The fourth proportional to 19,825,082.34, 29,737,582.58 and 11,185,260.72 is: 16,777,867.99
Step by Step Solution
- Step 1: Write the proportion equation
19,825,082.34 : 29,737,582.58 = 11,185,260.72 : x - Step 2: Convert to fraction form
19,825,082.34/29,737,582.58 = 11,185,260.72/x - Step 3: Cross multiply
19,825,082.34x = 29,737,582.58 × 11,185,260.72 - Step 4: Simplify right side
19,825,082.34x = 332,622,614,256,277.50 - Step 5: Solve for x
x = 332,622,614,256,277.50/19,825,082.34 - Step 6: Final answer
x = 16,777,867.99
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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.