Finding the Fourth Proportional to 8,429,218.02, 11,632,320.09 and 4,561,739.98
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Solution
The fourth proportional to 8,429,218.02, 11,632,320.09 and 4,561,739.98 is: 6,295,200.75
Step by Step Solution
- Step 1: Write the proportion equation
8,429,218.02 : 11,632,320.09 = 4,561,739.98 : x - Step 2: Convert to fraction form
8,429,218.02/11,632,320.09 = 4,561,739.98/x - Step 3: Cross multiply
8,429,218.02x = 11,632,320.09 × 4,561,739.98 - Step 4: Simplify right side
8,429,218.02x = 53,063,619,585,629.40 - Step 5: Solve for x
x = 53,063,619,585,629.40/8,429,218.02 - Step 6: Final answer
x = 6,295,200.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.