Finding the Fourth Proportional to 18,295,812, 27,444,287.16 and 6,784,143.84
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Solution
The fourth proportional to 18,295,812, 27,444,287.16 and 6,784,143.84 is: 10,176,426.81
Step by Step Solution
- Step 1: Write the proportion equation
18,295,812 : 27,444,287.16 = 6,784,143.84 : x - Step 2: Convert to fraction form
18,295,812/27,444,287.16 = 6,784,143.84/x - Step 3: Cross multiply
18,295,812x = 27,444,287.16 × 6,784,143.84 - Step 4: Simplify right side
18,295,812x = 186,185,991,679,705.09 - Step 5: Solve for x
x = 186,185,991,679,705.09/18,295,812 - Step 6: Final answer
x = 10,176,426.81
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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.