Finding the Fourth Proportional to 8,723,021.12, 13,080,392.16 and 3,042,555.20
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Solution
The fourth proportional to 8,723,021.12, 13,080,392.16 and 3,042,555.20 is: 4,562,388.95
Step by Step Solution
- Step 1: Write the proportion equation
8,723,021.12 : 13,080,392.16 = 3,042,555.20 : x - Step 2: Convert to fraction form
8,723,021.12/13,080,392.16 = 3,042,555.20/x - Step 3: Cross multiply
8,723,021.12x = 13,080,392.16 × 3,042,555.20 - Step 4: Simplify right side
8,723,021.12x = 39,797,815,184,447.23 - Step 5: Solve for x
x = 39,797,815,184,447.23/8,723,021.12 - Step 6: Final answer
x = 4,562,388.95
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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.