Finding the Fourth Proportional to 17,704,912.80, 26,553,740.40 and 4,922,205.60
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Solution
The fourth proportional to 17,704,912.80, 26,553,740.40 and 4,922,205.60 is: 7,382,299.54
Step by Step Solution
- Step 1: Write the proportion equation
17,704,912.80 : 26,553,740.40 = 4,922,205.60 : x - Step 2: Convert to fraction form
17,704,912.80/26,553,740.40 = 4,922,205.60/x - Step 3: Cross multiply
17,704,912.80x = 26,553,740.40 × 4,922,205.60 - Step 4: Simplify right side
17,704,912.80x = 130,702,969,697,826.22 - Step 5: Solve for x
x = 130,702,969,697,826.22/17,704,912.80 - Step 6: Final answer
x = 7,382,299.54
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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.