Finding the Fourth Proportional to 22,271,311.80, 33,409,491.12 and 19,982,776.14
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Solution
The fourth proportional to 22,271,311.80, 33,409,491.12 and 19,982,776.14 is: 29,976,428.33
Step by Step Solution
- Step 1: Write the proportion equation
22,271,311.80 : 33,409,491.12 = 19,982,776.14 : x - Step 2: Convert to fraction form
22,271,311.80/33,409,491.12 = 19,982,776.14/x - Step 3: Cross multiply
22,271,311.80x = 33,409,491.12 × 19,982,776.14 - Step 4: Simplify right side
22,271,311.80x = 667,614,382,002,277.88 - Step 5: Solve for x
x = 667,614,382,002,277.88/22,271,311.80 - Step 6: Final answer
x = 29,976,428.33
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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.