Finding the Fourth Proportional to 11,378,057.31, 17,067,102.40 and 4,646,471.31
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Solution
The fourth proportional to 11,378,057.31, 17,067,102.40 and 4,646,471.31 is: 6,969,713.68
Step by Step Solution
- Step 1: Write the proportion equation
11,378,057.31 : 17,067,102.40 = 4,646,471.31 : x - Step 2: Convert to fraction form
11,378,057.31/17,067,102.40 = 4,646,471.31/x - Step 3: Cross multiply
11,378,057.31x = 17,067,102.40 × 4,646,471.31 - Step 4: Simplify right side
11,378,057.31x = 79,301,801,665,867.55 - Step 5: Solve for x
x = 79,301,801,665,867.55/11,378,057.31 - Step 6: Final answer
x = 6,969,713.68
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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.