Finding the Fourth Proportional to 12,252,749.37, 18,381,120.50 and 3,617,722.70
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Solution
The fourth proportional to 12,252,749.37, 18,381,120.50 and 3,617,722.70 is: 5,427,173.51
Step by Step Solution
- Step 1: Write the proportion equation
12,252,749.37 : 18,381,120.50 = 3,617,722.70 : x - Step 2: Convert to fraction form
12,252,749.37/18,381,120.50 = 3,617,722.70/x - Step 3: Cross multiply
12,252,749.37x = 18,381,120.50 × 3,617,722.70 - Step 4: Simplify right side
12,252,749.37x = 66,497,796,828,922.61 - Step 5: Solve for x
x = 66,497,796,828,922.61/12,252,749.37 - Step 6: Final answer
x = 5,427,173.51
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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.