Finding the Fourth Proportional to 7,724,790.99, 11,587,186.49 and 4,119,635.70
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Solution
The fourth proportional to 7,724,790.99, 11,587,186.49 and 4,119,635.70 is: 6,179,453.55
Step by Step Solution
- Step 1: Write the proportion equation
7,724,790.99 : 11,587,186.49 = 4,119,635.70 : x - Step 2: Convert to fraction form
7,724,790.99/11,587,186.49 = 4,119,635.70/x - Step 3: Cross multiply
7,724,790.99x = 11,587,186.49 × 4,119,635.70 - Step 4: Simplify right side
7,724,790.99x = 47,734,987,106,163.52 - Step 5: Solve for x
x = 47,734,987,106,163.52/7,724,790.99 - Step 6: Final answer
x = 6,179,453.55
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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.