Finding the Fourth Proportional to 13,202,791.88, 19,800,086.51 and 6,375,120.04
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Solution
The fourth proportional to 13,202,791.88, 19,800,086.51 and 6,375,120.04 is: 9,560,699.69
Step by Step Solution
- Step 1: Write the proportion equation
13,202,791.88 : 19,800,086.51 = 6,375,120.04 : x - Step 2: Convert to fraction form
13,202,791.88/19,800,086.51 = 6,375,120.04/x - Step 3: Cross multiply
13,202,791.88x = 19,800,086.51 × 6,375,120.04 - Step 4: Simplify right side
13,202,791.88x = 126,227,928,232,947.06 - Step 5: Solve for x
x = 126,227,928,232,947.06/13,202,791.88 - Step 6: Final answer
x = 9,560,699.69
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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.