Finding the Fourth Proportional to 9,198,394.76, 13,809,800.46 and 7,859,163.44
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Solution
The fourth proportional to 9,198,394.76, 13,809,800.46 and 7,859,163.44 is: 11,799,176.02
Step by Step Solution
- Step 1: Write the proportion equation
9,198,394.76 : 13,809,800.46 = 7,859,163.44 : x - Step 2: Convert to fraction form
9,198,394.76/13,809,800.46 = 7,859,163.44/x - Step 3: Cross multiply
9,198,394.76x = 13,809,800.46 × 7,859,163.44 - Step 4: Simplify right side
9,198,394.76x = 108,533,478,888,927.19 - Step 5: Solve for x
x = 108,533,478,888,927.19/9,198,394.76 - Step 6: Final answer
x = 11,799,176.02
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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.