Finding the Fourth Proportional to 18,326,110.98, 27,457,414.20 and 11,122,550.94
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Solution
The fourth proportional to 18,326,110.98, 27,457,414.20 and 11,122,550.94 is: 16,664,555.21
Step by Step Solution
- Step 1: Write the proportion equation
18,326,110.98 : 27,457,414.20 = 11,122,550.94 : x - Step 2: Convert to fraction form
18,326,110.98/27,457,414.20 = 11,122,550.94/x - Step 3: Cross multiply
18,326,110.98x = 27,457,414.20 × 11,122,550.94 - Step 4: Simplify right side
18,326,110.98x = 305,396,488,120,179.31 - Step 5: Solve for x
x = 305,396,488,120,179.31/18,326,110.98 - Step 6: Final answer
x = 16,664,555.21
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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.