Finding the Fourth Proportional to 11,006,240.67, 16,435,247.30 and 8,988,490.17
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Solution
The fourth proportional to 11,006,240.67, 16,435,247.30 and 8,988,490.17 is: 13,422,208.65
Step by Step Solution
- Step 1: Write the proportion equation
11,006,240.67 : 16,435,247.30 = 8,988,490.17 : x - Step 2: Convert to fraction form
11,006,240.67/16,435,247.30 = 8,988,490.17/x - Step 3: Cross multiply
11,006,240.67x = 16,435,247.30 × 8,988,490.17 - Step 4: Simplify right side
11,006,240.67x = 147,728,058,752,626.59 - Step 5: Solve for x
x = 147,728,058,752,626.59/11,006,240.67 - Step 6: Final answer
x = 13,422,208.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.