Finding the Fourth Proportional to 69,515,644.14, 104,278,583.79 and 18,397,318.50
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Solution
The fourth proportional to 69,515,644.14, 104,278,583.79 and 18,397,318.50 is: 27,597,332.12
Step by Step Solution
- Step 1: Write the proportion equation
69,515,644.14 : 104,278,583.79 = 18,397,318.50 : x - Step 2: Convert to fraction form
69,515,644.14/104,278,583.79 = 18,397,318.50/x - Step 3: Cross multiply
69,515,644.14x = 104,278,583.79 × 18,397,318.50 - Step 4: Simplify right side
69,515,644.14x = 1,918,446,318,713,567.25 - Step 5: Solve for x
x = 1,918,446,318,713,567.25/69,515,644.14 - Step 6: Final answer
x = 27,597,332.12
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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.