Finding the Fourth Proportional to 16,674,729.68, 23,011,846.16 and 9,232,391.68
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Solution
The fourth proportional to 16,674,729.68, 23,011,846.16 and 9,232,391.68 is: 12,741,098.72
Step by Step Solution
- Step 1: Write the proportion equation
16,674,729.68 : 23,011,846.16 = 9,232,391.68 : x - Step 2: Convert to fraction form
16,674,729.68/23,011,846.16 = 9,232,391.68/x - Step 3: Cross multiply
16,674,729.68x = 23,011,846.16 × 9,232,391.68 - Step 4: Simplify right side
16,674,729.68x = 212,454,377,029,023.94 - Step 5: Solve for x
x = 212,454,377,029,023.94/16,674,729.68 - Step 6: Final answer
x = 12,741,098.72
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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.