Finding the Fourth Proportional to 18,065,495.44, 27,093,904.28 and 8,340,764.90
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Solution
The fourth proportional to 18,065,495.44, 27,093,904.28 and 8,340,764.90 is: 12,509,144.11
Step by Step Solution
- Step 1: Write the proportion equation
18,065,495.44 : 27,093,904.28 = 8,340,764.90 : x - Step 2: Convert to fraction form
18,065,495.44/27,093,904.28 = 8,340,764.90/x - Step 3: Cross multiply
18,065,495.44x = 27,093,904.28 × 8,340,764.90 - Step 4: Simplify right side
18,065,495.44x = 225,983,885,894,236.75 - Step 5: Solve for x
x = 225,983,885,894,236.75/18,065,495.44 - Step 6: Final answer
x = 12,509,144.11
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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.