Finding the Fourth Proportional to 20,494,693.14, 30,747,423.86 and 7,365,436.62
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Solution
The fourth proportional to 20,494,693.14, 30,747,423.86 and 7,365,436.62 is: 11,050,089.90
Step by Step Solution
- Step 1: Write the proportion equation
20,494,693.14 : 30,747,423.86 = 7,365,436.62 : x - Step 2: Convert to fraction form
20,494,693.14/30,747,423.86 = 7,365,436.62/x - Step 3: Cross multiply
20,494,693.14x = 30,747,423.86 × 7,365,436.62 - Step 4: Simplify right side
20,494,693.14x = 226,468,201,669,105.75 - Step 5: Solve for x
x = 226,468,201,669,105.75/20,494,693.14 - Step 6: Final answer
x = 11,050,089.90
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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.