Finding the Fourth Proportional to 13,517,897.99, 20,278,093.58 and 4,420,042.23
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Solution
The fourth proportional to 13,517,897.99, 20,278,093.58 and 4,420,042.23 is: 6,630,470.95
Step by Step Solution
- Step 1: Write the proportion equation
13,517,897.99 : 20,278,093.58 = 4,420,042.23 : x - Step 2: Convert to fraction form
13,517,897.99/20,278,093.58 = 4,420,042.23/x - Step 3: Cross multiply
13,517,897.99x = 20,278,093.58 × 4,420,042.23 - Step 4: Simplify right side
13,517,897.99x = 89,630,029,967,491.89 - Step 5: Solve for x
x = 89,630,029,967,491.89/13,517,897.99 - Step 6: Final answer
x = 6,630,470.95
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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.