Finding the Fourth Proportional to 12,089,408.12, 18,136,505.41 and 3,453,583.13
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Solution
The fourth proportional to 12,089,408.12, 18,136,505.41 and 3,453,583.13 is: 5,181,058.37
Step by Step Solution
- Step 1: Write the proportion equation
12,089,408.12 : 18,136,505.41 = 3,453,583.13 : x - Step 2: Convert to fraction form
12,089,408.12/18,136,505.41 = 3,453,583.13/x - Step 3: Cross multiply
12,089,408.12x = 18,136,505.41 × 3,453,583.13 - Step 4: Simplify right side
12,089,408.12x = 62,635,929,121,129.73 - Step 5: Solve for x
x = 62,635,929,121,129.73/12,089,408.12 - Step 6: Final answer
x = 5,181,058.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.