Finding the Fourth Proportional to 15,204,804.82, 20,982,463.48 and 8,235,309
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Solution
The fourth proportional to 15,204,804.82, 20,982,463.48 and 8,235,309 is: 11,364,635.88
Step by Step Solution
- Step 1: Write the proportion equation
15,204,804.82 : 20,982,463.48 = 8,235,309 : x - Step 2: Convert to fraction form
15,204,804.82/20,982,463.48 = 8,235,309/x - Step 3: Cross multiply
15,204,804.82x = 20,982,463.48 × 8,235,309 - Step 4: Simplify right side
15,204,804.82x = 172,797,070,339,015.31 - Step 5: Solve for x
x = 172,797,070,339,015.31/15,204,804.82 - Step 6: Final answer
x = 11,364,635.88
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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.