Finding the Fourth Proportional to 11,033,078.88, 15,227,745.84 and 6,905,028.90
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Solution
The fourth proportional to 11,033,078.88, 15,227,745.84 and 6,905,028.90 is: 9,530,252.28
Step by Step Solution
- Step 1: Write the proportion equation
11,033,078.88 : 15,227,745.84 = 6,905,028.90 : x - Step 2: Convert to fraction form
11,033,078.88/15,227,745.84 = 6,905,028.90/x - Step 3: Cross multiply
11,033,078.88x = 15,227,745.84 × 6,905,028.90 - Step 4: Simplify right side
11,033,078.88x = 105,148,025,107,054.78 - Step 5: Solve for x
x = 105,148,025,107,054.78/11,033,078.88 - Step 6: Final answer
x = 9,530,252.28
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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.