Finding the Fourth Proportional to 36,804,944.40, 55,207,416.60 and 12,571,234.80
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Solution
The fourth proportional to 36,804,944.40, 55,207,416.60 and 12,571,234.80 is: 18,856,852.20
Step by Step Solution
- Step 1: Write the proportion equation
36,804,944.40 : 55,207,416.60 = 12,571,234.80 : x - Step 2: Convert to fraction form
36,804,944.40/55,207,416.60 = 12,571,234.80/x - Step 3: Cross multiply
36,804,944.40x = 55,207,416.60 × 12,571,234.80 - Step 4: Simplify right side
36,804,944.40x = 694,025,396,780,017.75 - Step 5: Solve for x
x = 694,025,396,780,017.75/36,804,944.40 - Step 6: Final answer
x = 18,856,852.20
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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.