Finding the Fourth Proportional to 50,996,689.66, 76,511,205.21 and 18,206,555.08
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Solution
The fourth proportional to 50,996,689.66, 76,511,205.21 and 18,206,555.08 is: 27,315,605.80
Step by Step Solution
- Step 1: Write the proportion equation
50,996,689.66 : 76,511,205.21 = 18,206,555.08 : x - Step 2: Convert to fraction form
50,996,689.66/76,511,205.21 = 18,206,555.08/x - Step 3: Cross multiply
50,996,689.66x = 76,511,205.21 × 18,206,555.08 - Step 4: Simplify right side
50,996,689.66x = 1,393,005,471,893,047.75 - Step 5: Solve for x
x = 1,393,005,471,893,047.75/50,996,689.66 - Step 6: Final answer
x = 27,315,605.80
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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.