Finding the Fourth Proportional to 7,263,198.81, 10,880,624.82 and 5,658,246.99
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Solution
The fourth proportional to 7,263,198.81, 10,880,624.82 and 5,658,246.99 is: 8,476,328.99
Step by Step Solution
- Step 1: Write the proportion equation
7,263,198.81 : 10,880,624.82 = 5,658,246.99 : x - Step 2: Convert to fraction form
7,263,198.81/10,880,624.82 = 5,658,246.99/x - Step 3: Cross multiply
7,263,198.81x = 10,880,624.82 × 5,658,246.99 - Step 4: Simplify right side
7,263,198.81x = 61,565,262,637,084.30 - Step 5: Solve for x
x = 61,565,262,637,084.30/7,263,198.81 - Step 6: Final answer
x = 8,476,328.99
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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.