Finding the Fourth Proportional to 16,542,907.90, 24,815,139.45 and 5,183,727.10
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Solution
The fourth proportional to 16,542,907.90, 24,815,139.45 and 5,183,727.10 is: 7,775,834.31
Step by Step Solution
- Step 1: Write the proportion equation
16,542,907.90 : 24,815,139.45 = 5,183,727.10 : x - Step 2: Convert to fraction form
16,542,907.90/24,815,139.45 = 5,183,727.10/x - Step 3: Cross multiply
16,542,907.90x = 24,815,139.45 × 5,183,727.10 - Step 4: Simplify right side
16,542,907.90x = 128,634,910,857,244.08 - Step 5: Solve for x
x = 128,634,910,857,244.08/16,542,907.90 - Step 6: Final answer
x = 7,775,834.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.