Finding the Fourth Proportional to 8,396,919.20, 12,596,401.20 and 3,006,135.20
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Solution
The fourth proportional to 8,396,919.20, 12,596,401.20 and 3,006,135.20 is: 4,509,568.82
Step by Step Solution
- Step 1: Write the proportion equation
8,396,919.20 : 12,596,401.20 = 3,006,135.20 : x - Step 2: Convert to fraction form
8,396,919.20/12,596,401.20 = 3,006,135.20/x - Step 3: Cross multiply
8,396,919.20x = 12,596,401.20 × 3,006,135.20 - Step 4: Simplify right side
8,396,919.20x = 37,866,485,040,642.24 - Step 5: Solve for x
x = 37,866,485,040,642.24/8,396,919.20 - Step 6: Final answer
x = 4,509,568.82
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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.