Finding the Fourth Proportional to 11,794,497.36, 16,281,427.92 and 7,929,260
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Solution
The fourth proportional to 11,794,497.36, 16,281,427.92 and 7,929,260 is: 10,945,754.72
Step by Step Solution
- Step 1: Write the proportion equation
11,794,497.36 : 16,281,427.92 = 7,929,260 : x - Step 2: Convert to fraction form
11,794,497.36/16,281,427.92 = 7,929,260/x - Step 3: Cross multiply
11,794,497.36x = 16,281,427.92 × 7,929,260 - Step 4: Simplify right side
11,794,497.36x = 129,099,675,148,939.20 - Step 5: Solve for x
x = 129,099,675,148,939.20/11,794,497.36 - Step 6: Final answer
x = 10,945,754.72
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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.