Finding the Fourth Proportional to 10,672,933.68, 14,728,672.26 and 5,778,207.36
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Solution
The fourth proportional to 10,672,933.68, 14,728,672.26 and 5,778,207.36 is: 7,973,939.03
Step by Step Solution
- Step 1: Write the proportion equation
10,672,933.68 : 14,728,672.26 = 5,778,207.36 : x - Step 2: Convert to fraction form
10,672,933.68/14,728,672.26 = 5,778,207.36/x - Step 3: Cross multiply
10,672,933.68x = 14,728,672.26 × 5,778,207.36 - Step 4: Simplify right side
10,672,933.68x = 85,105,322,455,759.84 - Step 5: Solve for x
x = 85,105,322,455,759.84/10,672,933.68 - Step 6: Final answer
x = 7,973,939.03
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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.