Finding the Fourth Proportional to 8,150,931.99, 11,248,402.59 and 4,480,187.97
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Solution
The fourth proportional to 8,150,931.99, 11,248,402.59 and 4,480,187.97 is: 6,182,723.40
Step by Step Solution
- Step 1: Write the proportion equation
8,150,931.99 : 11,248,402.59 = 4,480,187.97 : x - Step 2: Convert to fraction form
8,150,931.99/11,248,402.59 = 4,480,187.97/x - Step 3: Cross multiply
8,150,931.99x = 11,248,402.59 × 4,480,187.97 - Step 4: Simplify right side
8,150,931.99x = 50,394,957,965,434.84 - Step 5: Solve for x
x = 50,394,957,965,434.84/8,150,931.99 - Step 6: Final answer
x = 6,182,723.40
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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.