Finding the Fourth Proportional to 8,469,752.49, 12,704,671.26 and 2,080,006.74
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Solution
The fourth proportional to 8,469,752.49, 12,704,671.26 and 2,080,006.74 is: 3,120,020.55
Step by Step Solution
- Step 1: Write the proportion equation
8,469,752.49 : 12,704,671.26 = 2,080,006.74 : x - Step 2: Convert to fraction form
8,469,752.49/12,704,671.26 = 2,080,006.74/x - Step 3: Cross multiply
8,469,752.49x = 12,704,671.26 × 2,080,006.74 - Step 4: Simplify right side
8,469,752.49x = 26,425,801,850,284.29 - Step 5: Solve for x
x = 26,425,801,850,284.29/8,469,752.49 - Step 6: Final answer
x = 3,120,020.55
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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.