Finding the Fourth Proportional to 18,394,912.08, 25,385,761.80 and 10,246,153.68
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Solution
The fourth proportional to 18,394,912.08, 25,385,761.80 and 10,246,153.68 is: 14,140,128.29
Step by Step Solution
- Step 1: Write the proportion equation
18,394,912.08 : 25,385,761.80 = 10,246,153.68 : x - Step 2: Convert to fraction form
18,394,912.08/25,385,761.80 = 10,246,153.68/x - Step 3: Cross multiply
18,394,912.08x = 25,385,761.80 × 10,246,153.68 - Step 4: Simplify right side
18,394,912.08x = 260,106,416,686,673.44 - Step 5: Solve for x
x = 260,106,416,686,673.44/18,394,912.08 - Step 6: Final answer
x = 14,140,128.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.