Finding the Fourth Proportional to 18,193,851.16, 25,107,324.18 and 9,933,887.84
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Solution
The fourth proportional to 18,193,851.16, 25,107,324.18 and 9,933,887.84 is: 13,708,661.25
Step by Step Solution
- Step 1: Write the proportion equation
18,193,851.16 : 25,107,324.18 = 9,933,887.84 : x - Step 2: Convert to fraction form
18,193,851.16/25,107,324.18 = 9,933,887.84/x - Step 3: Cross multiply
18,193,851.16x = 25,107,324.18 × 9,933,887.84 - Step 4: Simplify right side
18,193,851.16x = 249,413,342,359,056.94 - Step 5: Solve for x
x = 249,413,342,359,056.94/18,193,851.16 - Step 6: Final answer
x = 13,708,661.25
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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.