Finding the Fourth Proportional to 14,569,711.71, 20,105,675.49 and 8,043,201.31
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Solution
The fourth proportional to 14,569,711.71, 20,105,675.49 and 8,043,201.31 is: 11,099,327.06
Step by Step Solution
- Step 1: Write the proportion equation
14,569,711.71 : 20,105,675.49 = 8,043,201.31 : x - Step 2: Convert to fraction form
14,569,711.71/20,105,675.49 = 8,043,201.31/x - Step 3: Cross multiply
14,569,711.71x = 20,105,675.49 × 8,043,201.31 - Step 4: Simplify right side
14,569,711.71x = 161,713,995,419,500.69 - Step 5: Solve for x
x = 161,713,995,419,500.69/14,569,711.71 - Step 6: Final answer
x = 11,099,327.06
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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.