Finding the Fourth Proportional to 18,089,064.79, 27,127,766.09 and 5,955,639.36
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Solution
The fourth proportional to 18,089,064.79, 27,127,766.09 and 5,955,639.36 is: 8,931,539.22
Step by Step Solution
- Step 1: Write the proportion equation
18,089,064.79 : 27,127,766.09 = 5,955,639.36 : x - Step 2: Convert to fraction form
18,089,064.79/27,127,766.09 = 5,955,639.36/x - Step 3: Cross multiply
18,089,064.79x = 27,127,766.09 × 5,955,639.36 - Step 4: Simplify right side
18,089,064.79x = 161,563,191,540,230.97 - Step 5: Solve for x
x = 161,563,191,540,230.97/18,089,064.79 - Step 6: Final answer
x = 8,931,539.22
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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.