Finding the Fourth Proportional to 7,368,634.80, 11,049,015.60 and 3,103,984.80
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Solution
The fourth proportional to 7,368,634.80, 11,049,015.60 and 3,103,984.80 is: 4,654,318.94
Step by Step Solution
- Step 1: Write the proportion equation
7,368,634.80 : 11,049,015.60 = 3,103,984.80 : x - Step 2: Convert to fraction form
7,368,634.80/11,049,015.60 = 3,103,984.80/x - Step 3: Cross multiply
7,368,634.80x = 11,049,015.60 × 3,103,984.80 - Step 4: Simplify right side
7,368,634.80x = 34,295,976,477,362.88 - Step 5: Solve for x
x = 34,295,976,477,362.88/7,368,634.80 - Step 6: Final answer
x = 4,654,318.94
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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.