Finding the Fourth Proportional to 49,179,687.24, 73,769,811.75 and 20,425,822.84
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Solution
The fourth proportional to 49,179,687.24, 73,769,811.75 and 20,425,822.84 is: 30,638,850.92
Step by Step Solution
- Step 1: Write the proportion equation
49,179,687.24 : 73,769,811.75 = 20,425,822.84 : x - Step 2: Convert to fraction form
49,179,687.24/73,769,811.75 = 20,425,822.84/x - Step 3: Cross multiply
49,179,687.24x = 73,769,811.75 × 20,425,822.84 - Step 4: Simplify right side
49,179,687.24x = 1,506,809,105,745,650.25 - Step 5: Solve for x
x = 1,506,809,105,745,650.25/49,179,687.24 - Step 6: Final answer
x = 30,638,850.92
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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.