Finding the Fourth Proportional to 7,950,138.69, 11,901,666.83 and 4,907,721.99
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Solution
The fourth proportional to 7,950,138.69, 11,901,666.83 and 4,907,721.99 is: 7,347,050.70
Step by Step Solution
- Step 1: Write the proportion equation
7,950,138.69 : 11,901,666.83 = 4,907,721.99 : x - Step 2: Convert to fraction form
7,950,138.69/11,901,666.83 = 4,907,721.99/x - Step 3: Cross multiply
7,950,138.69x = 11,901,666.83 × 4,907,721.99 - Step 4: Simplify right side
7,950,138.69x = 58,410,072,019,244.59 - Step 5: Solve for x
x = 58,410,072,019,244.59/7,950,138.69 - Step 6: Final answer
x = 7,347,050.70
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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.