Finding the Fourth Proportional to 16,640,719.99, 24,942,532.16 and 6,919,889.08
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Solution
The fourth proportional to 16,640,719.99, 24,942,532.16 and 6,919,889.08 is: 10,372,120.68
Step by Step Solution
- Step 1: Write the proportion equation
16,640,719.99 : 24,942,532.16 = 6,919,889.08 : x - Step 2: Convert to fraction form
16,640,719.99/24,942,532.16 = 6,919,889.08/x - Step 3: Cross multiply
16,640,719.99x = 24,942,532.16 × 6,919,889.08 - Step 4: Simplify right side
16,640,719.99x = 172,599,555,923,243.47 - Step 5: Solve for x
x = 172,599,555,923,243.47/16,640,719.99 - Step 6: Final answer
x = 10,372,120.68
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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.