Finding the Fourth Proportional to 27,758,826.96, 38,302,611.12 and 17,438,241.12
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Solution
The fourth proportional to 27,758,826.96, 38,302,611.12 and 17,438,241.12 is: 24,061,901.79
Step by Step Solution
- Step 1: Write the proportion equation
27,758,826.96 : 38,302,611.12 = 17,438,241.12 : x - Step 2: Convert to fraction form
27,758,826.96/38,302,611.12 = 17,438,241.12/x - Step 3: Cross multiply
27,758,826.96x = 38,302,611.12 × 17,438,241.12 - Step 4: Simplify right side
27,758,826.96x = 667,930,168,236,153.25 - Step 5: Solve for x
x = 667,930,168,236,153.25/27,758,826.96 - Step 6: Final answer
x = 24,061,901.79
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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.