Finding the Fourth Proportional to 7,198,226.50, 9,880,677.05 and 6,364,159.37
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Solution
The fourth proportional to 7,198,226.50, 9,880,677.05 and 6,364,159.37 is: 8,735,791.17
Step by Step Solution
- Step 1: Write the proportion equation
7,198,226.50 : 9,880,677.05 = 6,364,159.37 : x - Step 2: Convert to fraction form
7,198,226.50/9,880,677.05 = 6,364,159.37/x - Step 3: Cross multiply
7,198,226.50x = 9,880,677.05 × 6,364,159.37 - Step 4: Simplify right side
7,198,226.50x = 62,882,203,429,701.46 - Step 5: Solve for x
x = 62,882,203,429,701.46/7,198,226.50 - Step 6: Final answer
x = 8,735,791.17
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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.