Finding the Fourth Proportional to 29,695,306.40, 44,542,959.60 and 19,491,639.20
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Solution
The fourth proportional to 29,695,306.40, 44,542,959.60 and 19,491,639.20 is: 29,237,458.80
Step by Step Solution
- Step 1: Write the proportion equation
29,695,306.40 : 44,542,959.60 = 19,491,639.20 : x - Step 2: Convert to fraction form
29,695,306.40/44,542,959.60 = 19,491,639.20/x - Step 3: Cross multiply
29,695,306.40x = 44,542,959.60 × 19,491,639.20 - Step 4: Simplify right side
29,695,306.40x = 868,215,297,423,376.38 - Step 5: Solve for x
x = 868,215,297,423,376.38/29,695,306.40 - Step 6: Final answer
x = 29,237,458.80
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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.