Finding the Fourth Proportional to 7,198,267.93, 9,880,733.56 and 6,364,200.80
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Solution
The fourth proportional to 7,198,267.93, 9,880,733.56 and 6,364,200.80 is: 8,735,847.71
Step by Step Solution
- Step 1: Write the proportion equation
7,198,267.93 : 9,880,733.56 = 6,364,200.80 : x - Step 2: Convert to fraction form
7,198,267.93/9,880,733.56 = 6,364,200.80/x - Step 3: Cross multiply
7,198,267.93x = 9,880,733.56 × 6,364,200.80 - Step 4: Simplify right side
7,198,267.93x = 62,882,972,427,138.85 - Step 5: Solve for x
x = 62,882,972,427,138.85/7,198,267.93 - Step 6: Final answer
x = 8,735,847.71
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.