Finding the Fourth Proportional to 11,085,995.40, 16,620,698.70 and 6,043,000.20
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Solution
The fourth proportional to 11,085,995.40, 16,620,698.70 and 6,043,000.20 is: 9,059,979.00
Step by Step Solution
- Step 1: Write the proportion equation
11,085,995.40 : 16,620,698.70 = 6,043,000.20 : x - Step 2: Convert to fraction form
11,085,995.40/16,620,698.70 = 6,043,000.20/x - Step 3: Cross multiply
11,085,995.40x = 16,620,698.70 × 6,043,000.20 - Step 4: Simplify right side
11,085,995.40x = 100,438,885,568,239.73 - Step 5: Solve for x
x = 100,438,885,568,239.73/11,085,995.40 - Step 6: Final answer
x = 9,059,979.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.