Finding the Fourth Proportional to 25,559,409.26, 38,310,715.62 and 19,474,079.06
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Solution
The fourth proportional to 25,559,409.26, 38,310,715.62 and 19,474,079.06 is: 29,189,481.54
Step by Step Solution
- Step 1: Write the proportion equation
25,559,409.26 : 38,310,715.62 = 19,474,079.06 : x - Step 2: Convert to fraction form
25,559,409.26/38,310,715.62 = 19,474,079.06/x - Step 3: Cross multiply
25,559,409.26x = 38,310,715.62 × 19,474,079.06 - Step 4: Simplify right side
25,559,409.26x = 746,065,904,829,056.88 - Step 5: Solve for x
x = 746,065,904,829,056.88/25,559,409.26 - Step 6: Final answer
x = 29,189,481.54
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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.