Finding the Fourth Proportional to 17,419,278.40, 26,129,934.56 and 5,289,137.60
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Solution
The fourth proportional to 17,419,278.40, 26,129,934.56 and 5,289,137.60 is: 7,934,015.19
Step by Step Solution
- Step 1: Write the proportion equation
17,419,278.40 : 26,129,934.56 = 5,289,137.60 : x - Step 2: Convert to fraction form
17,419,278.40/26,129,934.56 = 5,289,137.60/x - Step 3: Cross multiply
17,419,278.40x = 26,129,934.56 × 5,289,137.60 - Step 4: Simplify right side
17,419,278.40x = 138,204,819,366,835.44 - Step 5: Solve for x
x = 138,204,819,366,835.44/17,419,278.40 - Step 6: Final answer
x = 7,934,015.19
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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.