Finding the Fourth Proportional to 54,882,582.12, 82,302,947.20 and 18,481,199.13
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Solution
The fourth proportional to 54,882,582.12, 82,302,947.20 and 18,481,199.13 is: 27,714,752.07
Step by Step Solution
- Step 1: Write the proportion equation
54,882,582.12 : 82,302,947.20 = 18,481,199.13 : x - Step 2: Convert to fraction form
54,882,582.12/82,302,947.20 = 18,481,199.13/x - Step 3: Cross multiply
54,882,582.12x = 82,302,947.20 × 18,481,199.13 - Step 4: Simplify right side
54,882,582.12x = 1,521,057,156,189,076 - Step 5: Solve for x
x = 1,521,057,156,189,076/54,882,582.12 - Step 6: Final answer
x = 27,714,752.07
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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.