Finding the Fourth Proportional to 7,293,246.20, 10,949,718.90 and 4,263,716.60
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Solution
The fourth proportional to 7,293,246.20, 10,949,718.90 and 4,263,716.60 is: 6,401,333.09
Step by Step Solution
- Step 1: Write the proportion equation
7,293,246.20 : 10,949,718.90 = 4,263,716.60 : x - Step 2: Convert to fraction form
7,293,246.20/10,949,718.90 = 4,263,716.60/x - Step 3: Cross multiply
7,293,246.20x = 10,949,718.90 × 4,263,716.60 - Step 4: Simplify right side
7,293,246.20x = 46,686,498,239,263.73 - Step 5: Solve for x
x = 46,686,498,239,263.73/7,293,246.20 - Step 6: Final answer
x = 6,401,333.09
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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.