Finding the Fourth Proportional to 8,485,341.84, 12,729,596.04 and 2,809,561.68
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Solution
The fourth proportional to 8,485,341.84, 12,729,596.04 and 2,809,561.68 is: 4,214,866.76
Step by Step Solution
- Step 1: Write the proportion equation
8,485,341.84 : 12,729,596.04 = 2,809,561.68 : x - Step 2: Convert to fraction form
8,485,341.84/12,729,596.04 = 2,809,561.68/x - Step 3: Cross multiply
8,485,341.84x = 12,729,596.04 × 2,809,561.68 - Step 4: Simplify right side
8,485,341.84x = 35,764,585,235,863.75 - Step 5: Solve for x
x = 35,764,585,235,863.75/8,485,341.84 - Step 6: Final answer
x = 4,214,866.76
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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.