Finding the Fourth Proportional to 16,820,504.64, 23,212,305.68 and 9,085,546.88
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Solution
The fourth proportional to 16,820,504.64, 23,212,305.68 and 9,085,546.88 is: 12,538,059.71
Step by Step Solution
- Step 1: Write the proportion equation
16,820,504.64 : 23,212,305.68 = 9,085,546.88 : x - Step 2: Convert to fraction form
16,820,504.64/23,212,305.68 = 9,085,546.88/x - Step 3: Cross multiply
16,820,504.64x = 23,212,305.68 × 9,085,546.88 - Step 4: Simplify right side
16,820,504.64x = 210,896,491,448,530.28 - Step 5: Solve for x
x = 210,896,491,448,530.28/16,820,504.64 - Step 6: Final answer
x = 12,538,059.71
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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.