Finding the Fourth Proportional to 18,361,055.41, 27,540,586.42 and 5,580,563.67
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Solution
The fourth proportional to 18,361,055.41, 27,540,586.42 and 5,580,563.67 is: 8,370,542.57
Step by Step Solution
- Step 1: Write the proportion equation
18,361,055.41 : 27,540,586.42 = 5,580,563.67 : x - Step 2: Convert to fraction form
18,361,055.41/27,540,586.42 = 5,580,563.67/x - Step 3: Cross multiply
18,361,055.41x = 27,540,586.42 × 5,580,563.67 - Step 4: Simplify right side
18,361,055.41x = 153,691,996,025,947.38 - Step 5: Solve for x
x = 153,691,996,025,947.38/18,361,055.41 - Step 6: Final answer
x = 8,370,542.57
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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.