Finding the Fourth Proportional to 8,121,418.26, 12,180,759.93 and 3,803,920.62
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Solution
The fourth proportional to 8,121,418.26, 12,180,759.93 and 3,803,920.62 is: 5,705,240.44
Step by Step Solution
- Step 1: Write the proportion equation
8,121,418.26 : 12,180,759.93 = 3,803,920.62 : x - Step 2: Convert to fraction form
8,121,418.26/12,180,759.93 = 3,803,920.62/x - Step 3: Cross multiply
8,121,418.26x = 12,180,759.93 × 3,803,920.62 - Step 4: Simplify right side
8,121,418.26x = 46,334,643,864,996.76 - Step 5: Solve for x
x = 46,334,643,864,996.76/8,121,418.26 - Step 6: Final answer
x = 5,705,240.44
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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.