Finding the Fourth Proportional to 12,311,564.14, 18,469,330.71 and 3,791,896.66
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Solution
The fourth proportional to 12,311,564.14, 18,469,330.71 and 3,791,896.66 is: 5,688,456.21
Step by Step Solution
- Step 1: Write the proportion equation
12,311,564.14 : 18,469,330.71 = 3,791,896.66 : x - Step 2: Convert to fraction form
12,311,564.14/18,469,330.71 = 3,791,896.66/x - Step 3: Cross multiply
12,311,564.14x = 18,469,330.71 × 3,791,896.66 - Step 4: Simplify right side
12,311,564.14x = 70,033,793,431,684.44 - Step 5: Solve for x
x = 70,033,793,431,684.44/12,311,564.14 - Step 6: Final answer
x = 5,688,456.21
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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.