Finding the Fourth Proportional to 27,181,408.56, 37,510,349.12 and 14,958,265.60
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Solution
The fourth proportional to 27,181,408.56, 37,510,349.12 and 14,958,265.60 is: 20,642,409.45
Step by Step Solution
- Step 1: Write the proportion equation
27,181,408.56 : 37,510,349.12 = 14,958,265.60 : x - Step 2: Convert to fraction form
27,181,408.56/37,510,349.12 = 14,958,265.60/x - Step 3: Cross multiply
27,181,408.56x = 37,510,349.12 × 14,958,265.60 - Step 4: Simplify right side
27,181,408.56x = 561,089,764,885,686.19 - Step 5: Solve for x
x = 561,089,764,885,686.19/27,181,408.56 - Step 6: Final answer
x = 20,642,409.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.