Finding the Fourth Proportional to 18,112,133.98, 27,162,437.01 and 5,979,338.38
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Solution
The fourth proportional to 18,112,133.98, 27,162,437.01 and 5,979,338.38 is: 8,967,104.72
Step by Step Solution
- Step 1: Write the proportion equation
18,112,133.98 : 27,162,437.01 = 5,979,338.38 : x - Step 2: Convert to fraction form
18,112,133.98/27,162,437.01 = 5,979,338.38/x - Step 3: Cross multiply
18,112,133.98x = 27,162,437.01 × 5,979,338.38 - Step 4: Simplify right side
18,112,133.98x = 162,413,402,108,225.44 - Step 5: Solve for x
x = 162,413,402,108,225.44/18,112,133.98 - Step 6: Final answer
x = 8,967,104.72
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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.