Finding the Fourth Proportional to 8,515,404.12, 12,775,062.18 and 2,450,186.10
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Solution
The fourth proportional to 8,515,404.12, 12,775,062.18 and 2,450,186.10 is: 3,675,841.96
Step by Step Solution
- Step 1: Write the proportion equation
8,515,404.12 : 12,775,062.18 = 2,450,186.10 : x - Step 2: Convert to fraction form
8,515,404.12/12,775,062.18 = 2,450,186.10/x - Step 3: Cross multiply
8,515,404.12x = 12,775,062.18 × 2,450,186.10 - Step 4: Simplify right side
8,515,404.12x = 31,301,279,780,071.70 - Step 5: Solve for x
x = 31,301,279,780,071.70/8,515,404.12 - Step 6: Final answer
x = 3,675,841.96
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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.