Finding the Fourth Proportional to 19,383,536.80, 29,043,812.40 and 16,171,271.20
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Solution
The fourth proportional to 19,383,536.80, 29,043,812.40 and 16,171,271.20 is: 24,230,633.03
Step by Step Solution
- Step 1: Write the proportion equation
19,383,536.80 : 29,043,812.40 = 16,171,271.20 : x - Step 2: Convert to fraction form
19,383,536.80/29,043,812.40 = 16,171,271.20/x - Step 3: Cross multiply
19,383,536.80x = 29,043,812.40 × 16,171,271.20 - Step 4: Simplify right side
19,383,536.80x = 469,675,367,002,322.81 - Step 5: Solve for x
x = 469,675,367,002,322.81/19,383,536.80 - Step 6: Final answer
x = 24,230,633.03
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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.