Finding the Fourth Proportional to 20,066,550.84, 27,692,205.12 and 11,366,529.98
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Solution
The fourth proportional to 20,066,550.84, 27,692,205.12 and 11,366,529.98 is: 15,686,018.09
Step by Step Solution
- Step 1: Write the proportion equation
20,066,550.84 : 27,692,205.12 = 11,366,529.98 : x - Step 2: Convert to fraction form
20,066,550.84/27,692,205.12 = 11,366,529.98/x - Step 3: Cross multiply
20,066,550.84x = 27,692,205.12 × 11,366,529.98 - Step 4: Simplify right side
20,066,550.84x = 314,764,279,570,328.50 - Step 5: Solve for x
x = 314,764,279,570,328.50/20,066,550.84 - Step 6: Final answer
x = 15,686,018.09
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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.