Finding the Fourth Proportional to 10,351,936.22, 14,285,480.64 and 5,642,372.30
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Solution
The fourth proportional to 10,351,936.22, 14,285,480.64 and 5,642,372.30 is: 7,786,369.48
Step by Step Solution
- Step 1: Write the proportion equation
10,351,936.22 : 14,285,480.64 = 5,642,372.30 : x - Step 2: Convert to fraction form
10,351,936.22/14,285,480.64 = 5,642,372.30/x - Step 3: Cross multiply
10,351,936.22x = 14,285,480.64 × 5,642,372.30 - Step 4: Simplify right side
10,351,936.22x = 80,604,000,255,322.27 - Step 5: Solve for x
x = 80,604,000,255,322.27/10,351,936.22 - Step 6: Final answer
x = 7,786,369.48
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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.