Finding the Fourth Proportional to 17,790,485.87, 26,655,234.74 and 11,943,721.19
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Solution
The fourth proportional to 17,790,485.87, 26,655,234.74 and 11,943,721.19 is: 17,895,109.46
Step by Step Solution
- Step 1: Write the proportion equation
17,790,485.87 : 26,655,234.74 = 11,943,721.19 : x - Step 2: Convert to fraction form
17,790,485.87/26,655,234.74 = 11,943,721.19/x - Step 3: Cross multiply
17,790,485.87x = 26,655,234.74 × 11,943,721.19 - Step 4: Simplify right side
17,790,485.87x = 318,362,691,995,481.62 - Step 5: Solve for x
x = 318,362,691,995,481.62/17,790,485.87 - Step 6: Final answer
x = 17,895,109.46
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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.