Finding the Fourth Proportional to 8,512,145.96, 12,768,134.69 and 3,899,823.84
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Solution
The fourth proportional to 8,512,145.96, 12,768,134.69 and 3,899,823.84 is: 5,849,697.17
Step by Step Solution
- Step 1: Write the proportion equation
8,512,145.96 : 12,768,134.69 = 3,899,823.84 : x - Step 2: Convert to fraction form
8,512,145.96/12,768,134.69 = 3,899,823.84/x - Step 3: Cross multiply
8,512,145.96x = 12,768,134.69 × 3,899,823.84 - Step 4: Simplify right side
8,512,145.96x = 49,793,476,066,142.57 - Step 5: Solve for x
x = 49,793,476,066,142.57/8,512,145.96 - Step 6: Final answer
x = 5,849,697.17
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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.