Finding the Fourth Proportional to 9,247,997.80, 13,871,996.70 and 2,424,557.80
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Solution
The fourth proportional to 9,247,997.80, 13,871,996.70 and 2,424,557.80 is: 3,636,836.70
Step by Step Solution
- Step 1: Write the proportion equation
9,247,997.80 : 13,871,996.70 = 2,424,557.80 : x - Step 2: Convert to fraction form
9,247,997.80/13,871,996.70 = 2,424,557.80/x - Step 3: Cross multiply
9,247,997.80x = 13,871,996.70 × 2,424,557.80 - Step 4: Simplify right side
9,247,997.80x = 33,633,457,800,559.25 - Step 5: Solve for x
x = 33,633,457,800,559.25/9,247,997.80 - Step 6: Final answer
x = 3,636,836.70
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1.5x scale
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.