Finding the Fourth Proportional to 10,801,117.65, 16,201,676.48 and 9,979,972.05
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Solution
The fourth proportional to 10,801,117.65, 16,201,676.48 and 9,979,972.05 is: 14,969,958.08
Step by Step Solution
- Step 1: Write the proportion equation
10,801,117.65 : 16,201,676.48 = 9,979,972.05 : x - Step 2: Convert to fraction form
10,801,117.65/16,201,676.48 = 9,979,972.05/x - Step 3: Cross multiply
10,801,117.65x = 16,201,676.48 × 9,979,972.05 - Step 4: Simplify right side
10,801,117.65x = 161,692,278,383,642.53 - Step 5: Solve for x
x = 161,692,278,383,642.53/10,801,117.65 - Step 6: Final answer
x = 14,969,958.08
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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.