Finding the Fourth Proportional to 7,874,716.95, 11,813,059.58 and 3,081,786.57
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Solution
The fourth proportional to 7,874,716.95, 11,813,059.58 and 3,081,786.57 is: 4,623,065.00
Step by Step Solution
- Step 1: Write the proportion equation
7,874,716.95 : 11,813,059.58 = 3,081,786.57 : x - Step 2: Convert to fraction form
7,874,716.95/11,813,059.58 = 3,081,786.57/x - Step 3: Cross multiply
7,874,716.95x = 11,813,059.58 × 3,081,786.57 - Step 4: Simplify right side
7,874,716.95x = 36,405,328,348,844.91 - Step 5: Solve for x
x = 36,405,328,348,844.91/7,874,716.95 - Step 6: Final answer
x = 4,623,065.00
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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.