Finding the Fourth Proportional to 11,980,106.97, 16,533,861.12 and 6,951,964.02
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Solution
The fourth proportional to 11,980,106.97, 16,533,861.12 and 6,951,964.02 is: 9,594,472.56
Step by Step Solution
- Step 1: Write the proportion equation
11,980,106.97 : 16,533,861.12 = 6,951,964.02 : x - Step 2: Convert to fraction form
11,980,106.97/16,533,861.12 = 6,951,964.02/x - Step 3: Cross multiply
11,980,106.97x = 16,533,861.12 × 6,951,964.02 - Step 4: Simplify right side
11,980,106.97x = 114,942,807,617,916.89 - Step 5: Solve for x
x = 114,942,807,617,916.89/11,980,106.97 - Step 6: Final answer
x = 9,594,472.56
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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.