Finding the Fourth Proportional to 11,860,798.12, 16,367,939.80 and 6,633,895.94
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Solution
The fourth proportional to 11,860,798.12, 16,367,939.80 and 6,633,895.94 is: 9,154,797.87
Step by Step Solution
- Step 1: Write the proportion equation
11,860,798.12 : 16,367,939.80 = 6,633,895.94 : x - Step 2: Convert to fraction form
11,860,798.12/16,367,939.80 = 6,633,895.94/x - Step 3: Cross multiply
11,860,798.12x = 16,367,939.80 × 6,633,895.94 - Step 4: Simplify right side
11,860,798.12x = 108,583,209,327,879.81 - Step 5: Solve for x
x = 108,583,209,327,879.81/11,860,798.12 - Step 6: Final answer
x = 9,154,797.87
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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.