Finding the Fourth Proportional to 32,386,236.60, 48,561,640.20 and 13,195,311.60
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Solution
The fourth proportional to 32,386,236.60, 48,561,640.20 and 13,195,311.60 is: 19,785,749.80
Step by Step Solution
- Step 1: Write the proportion equation
32,386,236.60 : 48,561,640.20 = 13,195,311.60 : x - Step 2: Convert to fraction form
32,386,236.60/48,561,640.20 = 13,195,311.60/x - Step 3: Cross multiply
32,386,236.60x = 48,561,640.20 × 13,195,311.60 - Step 4: Simplify right side
32,386,236.60x = 640,785,974,246,086.38 - Step 5: Solve for x
x = 640,785,974,246,086.38/32,386,236.60 - Step 6: Final answer
x = 19,785,749.80
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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.