Finding the Fourth Proportional to 9,278,697.75, 13,920,048.74 and 2,801,235.68
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Solution
The fourth proportional to 9,278,697.75, 13,920,048.74 and 2,801,235.68 is: 4,202,457.95
Step by Step Solution
- Step 1: Write the proportion equation
9,278,697.75 : 13,920,048.74 = 2,801,235.68 : x - Step 2: Convert to fraction form
9,278,697.75/13,920,048.74 = 2,801,235.68/x - Step 3: Cross multiply
9,278,697.75x = 13,920,048.74 × 2,801,235.68 - Step 4: Simplify right side
9,278,697.75x = 38,993,337,114,220.62 - Step 5: Solve for x
x = 38,993,337,114,220.62/9,278,697.75 - Step 6: Final answer
x = 4,202,457.95
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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.