Finding the Fourth Proportional to 7,338,266.70, 11,008,436.85 and 2,289,050.70
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Solution
The fourth proportional to 7,338,266.70, 11,008,436.85 and 2,289,050.70 is: 3,433,899.46
Step by Step Solution
- Step 1: Write the proportion equation
7,338,266.70 : 11,008,436.85 = 2,289,050.70 : x - Step 2: Convert to fraction form
7,338,266.70/11,008,436.85 = 2,289,050.70/x - Step 3: Cross multiply
7,338,266.70x = 11,008,436.85 × 2,289,050.70 - Step 4: Simplify right side
7,338,266.70x = 25,198,870,077,398.30 - Step 5: Solve for x
x = 25,198,870,077,398.30/7,338,266.70 - Step 6: Final answer
x = 3,433,899.46
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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.