Finding the Fourth Proportional to 11,794,381.02, 16,281,267.84 and 7,929,144
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Solution
The fourth proportional to 11,794,381.02, 16,281,267.84 and 7,929,144 is: 10,945,594.94
Step by Step Solution
- Step 1: Write the proportion equation
11,794,381.02 : 16,281,267.84 = 7,929,144 : x - Step 2: Convert to fraction form
11,794,381.02/16,281,267.84 = 7,929,144/x - Step 3: Cross multiply
11,794,381.02x = 16,281,267.84 × 7,929,144 - Step 4: Simplify right side
11,794,381.02x = 129,096,517,205,928.95 - Step 5: Solve for x
x = 129,096,517,205,928.95/11,794,381.02 - Step 6: Final answer
x = 10,945,594.94
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1.5x scale
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.