Finding the Fourth Proportional to 7,469,768.68, 10,308,304.05 and 4,330,644.21
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Solution
The fourth proportional to 7,469,768.68, 10,308,304.05 and 4,330,644.21 is: 5,976,302.50
Step by Step Solution
- Step 1: Write the proportion equation
7,469,768.68 : 10,308,304.05 = 4,330,644.21 : x - Step 2: Convert to fraction form
7,469,768.68/10,308,304.05 = 4,330,644.21/x - Step 3: Cross multiply
7,469,768.68x = 10,308,304.05 × 4,330,644.21 - Step 4: Simplify right side
7,469,768.68x = 44,641,597,249,052.05 - Step 5: Solve for x
x = 44,641,597,249,052.05/7,469,768.68 - Step 6: Final answer
x = 5,976,302.50
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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.