Finding the Fourth Proportional to 11,040,862.98, 15,235,322.49 and 8,141,814.66
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Solution
The fourth proportional to 11,040,862.98, 15,235,322.49 and 8,141,814.66 is: 11,234,916.35
Step by Step Solution
- Step 1: Write the proportion equation
11,040,862.98 : 15,235,322.49 = 8,141,814.66 : x - Step 2: Convert to fraction form
11,040,862.98/15,235,322.49 = 8,141,814.66/x - Step 3: Cross multiply
11,040,862.98x = 15,235,322.49 × 8,141,814.66 - Step 4: Simplify right side
11,040,862.98x = 124,043,171,998,909.70 - Step 5: Solve for x
x = 124,043,171,998,909.70/11,040,862.98 - Step 6: Final answer
x = 11,234,916.35
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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.