Finding the Fourth Proportional to 18,450,363.84, 27,675,644.28 and 12,100,824.84
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Solution
The fourth proportional to 18,450,363.84, 27,675,644.28 and 12,100,824.84 is: 18,151,301.88
Step by Step Solution
- Step 1: Write the proportion equation
18,450,363.84 : 27,675,644.28 = 12,100,824.84 : x - Step 2: Convert to fraction form
18,450,363.84/27,675,644.28 = 12,100,824.84/x - Step 3: Cross multiply
18,450,363.84x = 27,675,644.28 × 12,100,824.84 - Step 4: Simplify right side
18,450,363.84x = 334,898,123,766,427.94 - Step 5: Solve for x
x = 334,898,123,766,427.94/18,450,363.84 - Step 6: Final answer
x = 18,151,301.88
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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.