Finding the Fourth Proportional to 19,825,074.14, 29,737,570.31 and 11,185,252.53
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Solution
The fourth proportional to 19,825,074.14, 29,737,570.31 and 11,185,252.53 is: 16,777,855.72
Step by Step Solution
- Step 1: Write the proportion equation
19,825,074.14 : 29,737,570.31 = 11,185,252.53 : x - Step 2: Convert to fraction form
19,825,074.14/29,737,570.31 = 11,185,252.53/x - Step 3: Cross multiply
19,825,074.14x = 29,737,570.31 × 11,185,252.53 - Step 4: Simplify right side
19,825,074.14x = 332,622,233,490,054.12 - Step 5: Solve for x
x = 332,622,233,490,054.12/19,825,074.14 - Step 6: Final answer
x = 16,777,855.72
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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.