Finding the Fourth Proportional to 8,303,762.12, 12,460,562.21 and 3,511,188.68
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Solution
The fourth proportional to 8,303,762.12, 12,460,562.21 and 3,511,188.68 is: 5,268,862.99
Step by Step Solution
- Step 1: Write the proportion equation
8,303,762.12 : 12,460,562.21 = 3,511,188.68 : x - Step 2: Convert to fraction form
8,303,762.12/12,460,562.21 = 3,511,188.68/x - Step 3: Cross multiply
8,303,762.12x = 12,460,562.21 × 3,511,188.68 - Step 4: Simplify right side
8,303,762.12x = 43,751,384,924,662.95 - Step 5: Solve for x
x = 43,751,384,924,662.95/8,303,762.12 - Step 6: Final answer
x = 5,268,862.99
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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.