Finding the Fourth Proportional to 7,135,618.10, 10,704,755.16 and 3,245,355.18
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Solution
The fourth proportional to 7,135,618.10, 10,704,755.16 and 3,245,355.18 is: 4,868,636.77
Step by Step Solution
- Step 1: Write the proportion equation
7,135,618.10 : 10,704,755.16 = 3,245,355.18 : x - Step 2: Convert to fraction form
7,135,618.10/10,704,755.16 = 3,245,355.18/x - Step 3: Cross multiply
7,135,618.10x = 10,704,755.16 × 3,245,355.18 - Step 4: Simplify right side
7,135,618.10x = 34,740,732,609,137.73 - Step 5: Solve for x
x = 34,740,732,609,137.73/7,135,618.10 - Step 6: Final answer
x = 4,868,636.77
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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.