Finding the Fourth Proportional to 14,321,793.67, 19,764,503.11 and 8,818,343.94
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Solution
The fourth proportional to 14,321,793.67, 19,764,503.11 and 8,818,343.94 is: 12,169,578.08
Step by Step Solution
- Step 1: Write the proportion equation
14,321,793.67 : 19,764,503.11 = 8,818,343.94 : x - Step 2: Convert to fraction form
14,321,793.67/19,764,503.11 = 8,818,343.94/x - Step 3: Cross multiply
14,321,793.67x = 19,764,503.11 × 8,818,343.94 - Step 4: Simplify right side
14,321,793.67x = 174,290,186,312,319.44 - Step 5: Solve for x
x = 174,290,186,312,319.44/14,321,793.67 - Step 6: Final answer
x = 12,169,578.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.