Finding the Fourth Proportional to 21,883,163.60, 30,202,938.63 and 14,427,735.27
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Solution
The fourth proportional to 21,883,163.60, 30,202,938.63 and 14,427,735.27 is: 19,913,025.88
Step by Step Solution
- Step 1: Write the proportion equation
21,883,163.60 : 30,202,938.63 = 14,427,735.27 : x - Step 2: Convert to fraction form
21,883,163.60/30,202,938.63 = 14,427,735.27/x - Step 3: Cross multiply
21,883,163.60x = 30,202,938.63 × 14,427,735.27 - Step 4: Simplify right side
21,883,163.60x = 435,760,002,929,696.44 - Step 5: Solve for x
x = 435,760,002,929,696.44/21,883,163.60 - Step 6: Final answer
x = 19,913,025.88
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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.