Finding the Fourth Proportional to 8,134,709.63, 12,202,135.92 and 2,069,447.76
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Solution
The fourth proportional to 8,134,709.63, 12,202,135.92 and 2,069,447.76 is: 3,104,189.82
Step by Step Solution
- Step 1: Write the proportion equation
8,134,709.63 : 12,202,135.92 = 2,069,447.76 : x - Step 2: Convert to fraction form
8,134,709.63/12,202,135.92 = 2,069,447.76/x - Step 3: Cross multiply
8,134,709.63x = 12,202,135.92 × 2,069,447.76 - Step 4: Simplify right side
8,134,709.63x = 25,251,682,846,859.54 - Step 5: Solve for x
x = 25,251,682,846,859.54/8,134,709.63 - Step 6: Final answer
x = 3,104,189.82
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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.