Finding the Fourth Proportional to 17,756,563.80, 26,634,845.70 and 16,764,540.60
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Solution
The fourth proportional to 17,756,563.80, 26,634,845.70 and 16,764,540.60 is: 25,146,810.90
Step by Step Solution
- Step 1: Write the proportion equation
17,756,563.80 : 26,634,845.70 = 16,764,540.60 : x - Step 2: Convert to fraction form
17,756,563.80/26,634,845.70 = 16,764,540.60/x - Step 3: Cross multiply
17,756,563.80x = 26,634,845.70 × 16,764,540.60 - Step 4: Simplify right side
17,756,563.80x = 446,520,952,112,385.38 - Step 5: Solve for x
x = 446,520,952,112,385.38/17,756,563.80 - Step 6: Final answer
x = 25,146,810.90
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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.