Finding the Fourth Proportional to 8,998,466.70, 13,494,922.56 and 2,609,189.94
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Solution
The fourth proportional to 8,998,466.70, 13,494,922.56 and 2,609,189.94 is: 3,912,979.55
Step by Step Solution
- Step 1: Write the proportion equation
8,998,466.70 : 13,494,922.56 = 2,609,189.94 : x - Step 2: Convert to fraction form
8,998,466.70/13,494,922.56 = 2,609,189.94/x - Step 3: Cross multiply
8,998,466.70x = 13,494,922.56 × 2,609,189.94 - Step 4: Simplify right side
8,998,466.70x = 35,210,816,184,631.05 - Step 5: Solve for x
x = 35,210,816,184,631.05/8,998,466.70 - Step 6: Final answer
x = 3,912,979.55
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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.