Finding the Fourth Proportional to 18,467,636.72, 27,702,846.84 and 5,512,764.08
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Solution
The fourth proportional to 18,467,636.72, 27,702,846.84 and 5,512,764.08 is: 8,269,561.57
Step by Step Solution
- Step 1: Write the proportion equation
18,467,636.72 : 27,702,846.84 = 5,512,764.08 : x - Step 2: Convert to fraction form
18,467,636.72/27,702,846.84 = 5,512,764.08/x - Step 3: Cross multiply
18,467,636.72x = 27,702,846.84 × 5,512,764.08 - Step 4: Simplify right side
18,467,636.72x = 152,719,258,973,293.50 - Step 5: Solve for x
x = 152,719,258,973,293.50/18,467,636.72 - Step 6: Final answer
x = 8,269,561.57
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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.