Finding the Fourth Proportional to 13,423,896.49, 20,136,640.51 and 4,203,593.49
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Solution
The fourth proportional to 13,423,896.49, 20,136,640.51 and 4,203,593.49 is: 6,305,639.43
Step by Step Solution
- Step 1: Write the proportion equation
13,423,896.49 : 20,136,640.51 = 4,203,593.49 : x - Step 2: Convert to fraction form
13,423,896.49/20,136,640.51 = 4,203,593.49/x - Step 3: Cross multiply
13,423,896.49x = 20,136,640.51 × 4,203,593.49 - Step 4: Simplify right side
13,423,896.49x = 84,646,250,958,306.30 - Step 5: Solve for x
x = 84,646,250,958,306.30/13,423,896.49 - Step 6: Final answer
x = 6,305,639.43
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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.