Finding the Fourth Proportional to 9,351,418.80, 14,027,128.20 and 3,367,009.20
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Solution
The fourth proportional to 9,351,418.80, 14,027,128.20 and 3,367,009.20 is: 5,050,513.80
Step by Step Solution
- Step 1: Write the proportion equation
9,351,418.80 : 14,027,128.20 = 3,367,009.20 : x - Step 2: Convert to fraction form
9,351,418.80/14,027,128.20 = 3,367,009.20/x - Step 3: Cross multiply
9,351,418.80x = 14,027,128.20 × 3,367,009.20 - Step 4: Simplify right side
9,351,418.80x = 47,229,469,698,979.44 - Step 5: Solve for x
x = 47,229,469,698,979.44/9,351,418.80 - Step 6: Final answer
x = 5,050,513.80
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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.