Finding the Fourth Proportional to 9,378,481.91, 12,942,027.07 and 5,192,353.36
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Solution
The fourth proportional to 9,378,481.91, 12,942,027.07 and 5,192,353.36 is: 7,165,293.74
Step by Step Solution
- Step 1: Write the proportion equation
9,378,481.91 : 12,942,027.07 = 5,192,353.36 : x - Step 2: Convert to fraction form
9,378,481.91/12,942,027.07 = 5,192,353.36/x - Step 3: Cross multiply
9,378,481.91x = 12,942,027.07 × 5,192,353.36 - Step 4: Simplify right side
9,378,481.91x = 67,199,577,716,163.69 - Step 5: Solve for x
x = 67,199,577,716,163.69/9,378,481.91 - Step 6: Final answer
x = 7,165,293.74
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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.