Finding the Fourth Proportional to 18,025,115.93, 27,037,674.24 and 4,378,170.36
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Solution
The fourth proportional to 18,025,115.93, 27,037,674.24 and 4,378,170.36 is: 6,567,255.63
Step by Step Solution
- Step 1: Write the proportion equation
18,025,115.93 : 27,037,674.24 = 4,378,170.36 : x - Step 2: Convert to fraction form
18,025,115.93/27,037,674.24 = 4,378,170.36/x - Step 3: Cross multiply
18,025,115.93x = 27,037,674.24 × 4,378,170.36 - Step 4: Simplify right side
18,025,115.93x = 118,375,544,038,636.48 - Step 5: Solve for x
x = 118,375,544,038,636.48/18,025,115.93 - Step 6: Final answer
x = 6,567,255.63
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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.