Finding the Fourth Proportional to 8,436,029.11, 12,674,230.99 and 5,409,324.99
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Solution
The fourth proportional to 8,436,029.11, 12,674,230.99 and 5,409,324.99 is: 8,126,931.94
Step by Step Solution
- Step 1: Write the proportion equation
8,436,029.11 : 12,674,230.99 = 5,409,324.99 : x - Step 2: Convert to fraction form
8,436,029.11/12,674,230.99 = 5,409,324.99/x - Step 3: Cross multiply
8,436,029.11x = 12,674,230.99 × 5,409,324.99 - Step 4: Simplify right side
8,436,029.11x = 68,559,034,409,716.13 - Step 5: Solve for x
x = 68,559,034,409,716.13/8,436,029.11 - Step 6: Final answer
x = 8,126,931.94
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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.