Finding the Fourth Proportional to 11,190,634.99, 16,785,951.50 and 3,103,610.48
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Solution
The fourth proportional to 11,190,634.99, 16,785,951.50 and 3,103,610.48 is: 4,655,415.45
Step by Step Solution
- Step 1: Write the proportion equation
11,190,634.99 : 16,785,951.50 = 3,103,610.48 : x - Step 2: Convert to fraction form
11,190,634.99/16,785,951.50 = 3,103,610.48/x - Step 3: Cross multiply
11,190,634.99x = 16,785,951.50 × 3,103,610.48 - Step 4: Simplify right side
11,190,634.99x = 52,097,054,978,948.30 - Step 5: Solve for x
x = 52,097,054,978,948.30/11,190,634.99 - Step 6: Final answer
x = 4,655,415.45
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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.