Finding the Fourth Proportional to 13,463,216.18, 20,202,171.63 and 7,794,512.18
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Solution
The fourth proportional to 13,463,216.18, 20,202,171.63 and 7,794,512.18 is: 11,696,022.01
Step by Step Solution
- Step 1: Write the proportion equation
13,463,216.18 : 20,202,171.63 = 7,794,512.18 : x - Step 2: Convert to fraction form
13,463,216.18/20,202,171.63 = 7,794,512.18/x - Step 3: Cross multiply
13,463,216.18x = 20,202,171.63 × 7,794,512.18 - Step 4: Simplify right side
13,463,216.18x = 157,466,072,832,485.44 - Step 5: Solve for x
x = 157,466,072,832,485.44/13,463,216.18 - Step 6: Final answer
x = 11,696,022.01
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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.