Finding the Fourth Proportional to 16,149,607.20, 22,286,955.60 and 9,275,467.68
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Solution
The fourth proportional to 16,149,607.20, 22,286,955.60 and 9,275,467.68 is: 12,800,431.23
Step by Step Solution
- Step 1: Write the proportion equation
16,149,607.20 : 22,286,955.60 = 9,275,467.68 : x - Step 2: Convert to fraction form
16,149,607.20/22,286,955.60 = 9,275,467.68/x - Step 3: Cross multiply
16,149,607.20x = 22,286,955.60 × 9,275,467.68 - Step 4: Simplify right side
16,149,607.20x = 206,721,936,353,395 - Step 5: Solve for x
x = 206,721,936,353,395/16,149,607.20 - Step 6: Final answer
x = 12,800,431.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.