Finding the Fourth Proportional to 19,664,069.20, 29,496,103.80 and 16,304,837.20
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Solution
The fourth proportional to 19,664,069.20, 29,496,103.80 and 16,304,837.20 is: 24,457,255.80
Step by Step Solution
- Step 1: Write the proportion equation
19,664,069.20 : 29,496,103.80 = 16,304,837.20 : x - Step 2: Convert to fraction form
19,664,069.20/29,496,103.80 = 16,304,837.20/x - Step 3: Cross multiply
19,664,069.20x = 29,496,103.80 × 16,304,837.20 - Step 4: Simplify right side
19,664,069.20x = 480,929,170,493,301.38 - Step 5: Solve for x
x = 480,929,170,493,301.38/19,664,069.20 - Step 6: Final answer
x = 24,457,255.80
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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.