Finding the Fourth Proportional to 10,672,896.12, 14,728,494.12 and 5,777,992.68
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Solution
The fourth proportional to 10,672,896.12, 14,728,494.12 and 5,777,992.68 is: 7,973,574.39
Step by Step Solution
- Step 1: Write the proportion equation
10,672,896.12 : 14,728,494.12 = 5,777,992.68 : x - Step 2: Convert to fraction form
10,672,896.12/14,728,494.12 = 5,777,992.68/x - Step 3: Cross multiply
10,672,896.12x = 14,728,494.12 × 5,777,992.68 - Step 4: Simplify right side
10,672,896.12x = 85,101,131,212,783.03 - Step 5: Solve for x
x = 85,101,131,212,783.03/10,672,896.12 - Step 6: Final answer
x = 7,973,574.39
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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.