Finding the Fourth Proportional to 19,682,778.20, 29,524,167.30 and 16,497,728.60
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Solution
The fourth proportional to 19,682,778.20, 29,524,167.30 and 16,497,728.60 is: 24,746,592.90
Step by Step Solution
- Step 1: Write the proportion equation
19,682,778.20 : 29,524,167.30 = 16,497,728.60 : x - Step 2: Convert to fraction form
19,682,778.20/29,524,167.30 = 16,497,728.60/x - Step 3: Cross multiply
19,682,778.20x = 29,524,167.30 × 16,497,728.60 - Step 4: Simplify right side
19,682,778.20x = 487,081,699,256,394.81 - Step 5: Solve for x
x = 487,081,699,256,394.81/19,682,778.20 - Step 6: Final answer
x = 24,746,592.90
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1.5x scale
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.