Finding the Fourth Proportional to 18,361,046.79, 27,540,573.51 and 5,580,555.05
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Solution
The fourth proportional to 18,361,046.79, 27,540,573.51 and 5,580,555.05 is: 8,370,529.64
Step by Step Solution
- Step 1: Write the proportion equation
18,361,046.79 : 27,540,573.51 = 5,580,555.05 : x - Step 2: Convert to fraction form
18,361,046.79/27,540,573.51 = 5,580,555.05/x - Step 3: Cross multiply
18,361,046.79x = 27,540,573.51 × 5,580,555.05 - Step 4: Simplify right side
18,361,046.79x = 153,691,686,430,170.47 - Step 5: Solve for x
x = 153,691,686,430,170.47/18,361,046.79 - Step 6: Final answer
x = 8,370,529.64
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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.