Finding the Fourth Proportional to 10,790,538.70, 16,183,216.05 and 6,231,729.10
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Solution
The fourth proportional to 10,790,538.70, 16,183,216.05 and 6,231,729.10 is: 9,346,096.72
Step by Step Solution
- Step 1: Write the proportion equation
10,790,538.70 : 16,183,216.05 = 6,231,729.10 : x - Step 2: Convert to fraction form
10,790,538.70/16,183,216.05 = 6,231,729.10/x - Step 3: Cross multiply
10,790,538.70x = 16,183,216.05 × 6,231,729.10 - Step 4: Simplify right side
10,790,538.70x = 100,849,418,390,372.05 - Step 5: Solve for x
x = 100,849,418,390,372.05/10,790,538.70 - Step 6: Final answer
x = 9,346,096.72
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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.