Finding the Fourth Proportional to 19,362,634.40, 29,040,841.20 and 5,896,330.40
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Solution
The fourth proportional to 19,362,634.40, 29,040,841.20 and 5,896,330.40 is: 8,843,548.42
Step by Step Solution
- Step 1: Write the proportion equation
19,362,634.40 : 29,040,841.20 = 5,896,330.40 : x - Step 2: Convert to fraction form
19,362,634.40/29,040,841.20 = 5,896,330.40/x - Step 3: Cross multiply
19,362,634.40x = 29,040,841.20 × 5,896,330.40 - Step 4: Simplify right side
19,362,634.40x = 171,234,394,809,132.50 - Step 5: Solve for x
x = 171,234,394,809,132.50/19,362,634.40 - Step 6: Final answer
x = 8,843,548.42
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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.