Finding the Fourth Proportional to 14,724,641.94, 20,274,939.62 and 14,682,126.66
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Solution
The fourth proportional to 14,724,641.94, 20,274,939.62 and 14,682,126.66 is: 20,216,398.66
Step by Step Solution
- Step 1: Write the proportion equation
14,724,641.94 : 20,274,939.62 = 14,682,126.66 : x - Step 2: Convert to fraction form
14,724,641.94/20,274,939.62 = 14,682,126.66/x - Step 3: Cross multiply
14,724,641.94x = 20,274,939.62 × 14,682,126.66 - Step 4: Simplify right side
14,724,641.94x = 297,679,231,524,692.31 - Step 5: Solve for x
x = 297,679,231,524,692.31/14,724,641.94 - Step 6: Final answer
x = 20,216,398.66
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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.