Finding the Fourth Proportional to 18,178,857.66, 25,088,052.87 and 10,446,982.14
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Solution
The fourth proportional to 18,178,857.66, 25,088,052.87 and 10,446,982.14 is: 14,417,541.80
Step by Step Solution
- Step 1: Write the proportion equation
18,178,857.66 : 25,088,052.87 = 10,446,982.14 : x - Step 2: Convert to fraction form
18,178,857.66/25,088,052.87 = 10,446,982.14/x - Step 3: Cross multiply
18,178,857.66x = 25,088,052.87 × 10,446,982.14 - Step 4: Simplify right side
18,178,857.66x = 262,094,440,260,265.78 - Step 5: Solve for x
x = 262,094,440,260,265.78/18,178,857.66 - Step 6: Final answer
x = 14,417,541.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.