Finding the Fourth Proportional to 10,790,265.78, 14,890,390.62 and 5,895,382.53
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Solution
The fourth proportional to 10,790,265.78, 14,890,390.62 and 5,895,382.53 is: 8,135,531.65
Step by Step Solution
- Step 1: Write the proportion equation
10,790,265.78 : 14,890,390.62 = 5,895,382.53 : x - Step 2: Convert to fraction form
10,790,265.78/14,890,390.62 = 5,895,382.53/x - Step 3: Cross multiply
10,790,265.78x = 14,890,390.62 × 5,895,382.53 - Step 4: Simplify right side
10,790,265.78x = 87,784,548,726,023.88 - Step 5: Solve for x
x = 87,784,548,726,023.88/10,790,265.78 - Step 6: Final answer
x = 8,135,531.65
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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.