Finding the Fourth Proportional to 8,245,137.30, 11,378,302.90 and 4,574,053.98
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Solution
The fourth proportional to 8,245,137.30, 11,378,302.90 and 4,574,053.98 is: 6,312,201.94
Step by Step Solution
- Step 1: Write the proportion equation
8,245,137.30 : 11,378,302.90 = 4,574,053.98 : x - Step 2: Convert to fraction form
8,245,137.30/11,378,302.90 = 4,574,053.98/x - Step 3: Cross multiply
8,245,137.30x = 11,378,302.90 × 4,574,053.98 - Step 4: Simplify right side
8,245,137.30x = 52,044,971,665,390.55 - Step 5: Solve for x
x = 52,044,971,665,390.55/8,245,137.30 - Step 6: Final answer
x = 6,312,201.94
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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.