Finding the Fourth Proportional to 8,150,932.99, 11,248,403.97 and 4,480,188.97
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Solution
The fourth proportional to 8,150,932.99, 11,248,403.97 and 4,480,188.97 is: 6,182,724.78
Step by Step Solution
- Step 1: Write the proportion equation
8,150,932.99 : 11,248,403.97 = 4,480,188.97 : x - Step 2: Convert to fraction form
8,150,932.99/11,248,403.97 = 4,480,188.97/x - Step 3: Cross multiply
8,150,932.99x = 11,248,403.97 × 4,480,188.97 - Step 4: Simplify right side
8,150,932.99x = 50,394,975,396,498.21 - Step 5: Solve for x
x = 50,394,975,396,498.21/8,150,932.99 - Step 6: Final answer
x = 6,182,724.78
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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.