Finding the Fourth Proportional to 16,543,907.64, 22,821,273.90 and 9,926,785.68
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Solution
The fourth proportional to 16,543,907.64, 22,821,273.90 and 9,926,785.68 is: 13,693,372.80
Step by Step Solution
- Step 1: Write the proportion equation
16,543,907.64 : 22,821,273.90 = 9,926,785.68 : x - Step 2: Convert to fraction form
16,543,907.64/22,821,273.90 = 9,926,785.68/x - Step 3: Cross multiply
16,543,907.64x = 22,821,273.90 × 9,926,785.68 - Step 4: Simplify right side
16,543,907.64x = 226,541,894,949,877.72 - Step 5: Solve for x
x = 226,541,894,949,877.72/16,543,907.64 - Step 6: Final answer
x = 13,693,372.80
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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.