Finding the Fourth Proportional to 38,496,669.12, 57,726,107.92 and 19,043,418.96
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Solution
The fourth proportional to 38,496,669.12, 57,726,107.92 and 19,043,418.96 is: 28,555,781.14
Step by Step Solution
- Step 1: Write the proportion equation
38,496,669.12 : 57,726,107.92 = 19,043,418.96 : x - Step 2: Convert to fraction form
38,496,669.12/57,726,107.92 = 19,043,418.96/x - Step 3: Cross multiply
38,496,669.12x = 57,726,107.92 × 19,043,418.96 - Step 4: Simplify right side
38,496,669.12x = 1,099,302,458,050,734.25 - Step 5: Solve for x
x = 1,099,302,458,050,734.25/38,496,669.12 - Step 6: Final answer
x = 28,555,781.14
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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.