Finding the Fourth Proportional to 18,299,975.96, 27,450,161.04 and 5,520,591.38
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Solution
The fourth proportional to 18,299,975.96, 27,450,161.04 and 5,520,591.38 is: 8,280,946.53
Step by Step Solution
- Step 1: Write the proportion equation
18,299,975.96 : 27,450,161.04 = 5,520,591.38 : x - Step 2: Convert to fraction form
18,299,975.96/27,450,161.04 = 5,520,591.38/x - Step 3: Cross multiply
18,299,975.96x = 27,450,161.04 × 5,520,591.38 - Step 4: Simplify right side
18,299,975.96x = 151,541,122,417,035.81 - Step 5: Solve for x
x = 151,541,122,417,035.81/18,299,975.96 - Step 6: Final answer
x = 8,280,946.53
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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.