Finding the Fourth Proportional to 10,497,880.75, 15,746,821.13 and 2,519,704.75
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Solution
The fourth proportional to 10,497,880.75, 15,746,821.13 and 2,519,704.75 is: 3,779,557.13
Step by Step Solution
- Step 1: Write the proportion equation
10,497,880.75 : 15,746,821.13 = 2,519,704.75 : x - Step 2: Convert to fraction form
10,497,880.75/15,746,821.13 = 2,519,704.75/x - Step 3: Cross multiply
10,497,880.75x = 15,746,821.13 × 2,519,704.75 - Step 4: Simplify right side
10,497,880.75x = 39,677,339,998,661.37 - Step 5: Solve for x
x = 39,677,339,998,661.37/10,497,880.75 - Step 6: Final answer
x = 3,779,557.13
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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.