Finding the Fourth Proportional to 7,010,908.95, 10,515,310.86 and 2,217,975.42
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Solution
The fourth proportional to 7,010,908.95, 10,515,310.86 and 2,217,975.42 is: 3,326,630.14
Step by Step Solution
- Step 1: Write the proportion equation
7,010,908.95 : 10,515,310.86 = 2,217,975.42 : x - Step 2: Convert to fraction form
7,010,908.95/10,515,310.86 = 2,217,975.42/x - Step 3: Cross multiply
7,010,908.95x = 10,515,310.86 × 2,217,975.42 - Step 4: Simplify right side
7,010,908.95x = 23,322,701,021,139.06 - Step 5: Solve for x
x = 23,322,701,021,139.06/7,010,908.95 - Step 6: Final answer
x = 3,326,630.14
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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.