Finding the Fourth Proportional to 14,437,136.72, 19,923,253.49 and 7,910,713.19
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Solution
The fourth proportional to 14,437,136.72, 19,923,253.49 and 7,910,713.19 is: 10,916,786.84
Step by Step Solution
- Step 1: Write the proportion equation
14,437,136.72 : 19,923,253.49 = 7,910,713.19 : x - Step 2: Convert to fraction form
14,437,136.72/19,923,253.49 = 7,910,713.19/x - Step 3: Cross multiply
14,437,136.72x = 19,923,253.49 × 7,910,713.19 - Step 4: Simplify right side
14,437,136.72x = 157,607,144,171,056.53 - Step 5: Solve for x
x = 157,607,144,171,056.53/14,437,136.72 - Step 6: Final answer
x = 10,916,786.84
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1.5x scale
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.