Finding the Fourth Proportional to 25,558,942.99, 38,331,431.52 and 9,161,171.08
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Solution
The fourth proportional to 25,558,942.99, 38,331,431.52 and 9,161,171.08 is: 13,739,253.69
Step by Step Solution
- Step 1: Write the proportion equation
25,558,942.99 : 38,331,431.52 = 9,161,171.08 : x - Step 2: Convert to fraction form
25,558,942.99/38,331,431.52 = 9,161,171.08/x - Step 3: Cross multiply
25,558,942.99x = 38,331,431.52 × 9,161,171.08 - Step 4: Simplify right side
25,558,942.99x = 351,160,801,765,841.50 - Step 5: Solve for x
x = 351,160,801,765,841.50/25,558,942.99 - Step 6: Final answer
x = 13,739,253.69
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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.