Finding the Fourth Proportional to 38,093,838.24, 57,155,896.92 and 12,190,129.92
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Solution
The fourth proportional to 38,093,838.24, 57,155,896.92 and 12,190,129.92 is: 18,290,039.58
Step by Step Solution
- Step 1: Write the proportion equation
38,093,838.24 : 57,155,896.92 = 12,190,129.92 : x - Step 2: Convert to fraction form
38,093,838.24/57,155,896.92 = 12,190,129.92/x - Step 3: Cross multiply
38,093,838.24x = 57,155,896.92 × 12,190,129.92 - Step 4: Simplify right side
38,093,838.24x = 696,737,809,148,927.88 - Step 5: Solve for x
x = 696,737,809,148,927.88/38,093,838.24 - Step 6: Final answer
x = 18,290,039.58
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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.