Finding the Fourth Proportional to 16,850,676.66, 23,253,883.11 and 9,115,716.84
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Solution
The fourth proportional to 16,850,676.66, 23,253,883.11 and 9,115,716.84 is: 12,579,661.82
Step by Step Solution
- Step 1: Write the proportion equation
16,850,676.66 : 23,253,883.11 = 9,115,716.84 : x - Step 2: Convert to fraction form
16,850,676.66/23,253,883.11 = 9,115,716.84/x - Step 3: Cross multiply
16,850,676.66x = 23,253,883.11 × 9,115,716.84 - Step 4: Simplify right side
16,850,676.66x = 211,975,813,861,218.56 - Step 5: Solve for x
x = 211,975,813,861,218.56/16,850,676.66 - Step 6: Final answer
x = 12,579,661.82
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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.