Finding the Fourth Proportional to 18,341,767.60, 27,512,633.32 and 4,694,892.22
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Solution
The fourth proportional to 18,341,767.60, 27,512,633.32 and 4,694,892.22 is: 7,042,333.70
Step by Step Solution
- Step 1: Write the proportion equation
18,341,767.60 : 27,512,633.32 = 4,694,892.22 : x - Step 2: Convert to fraction form
18,341,767.60/27,512,633.32 = 4,694,892.22/x - Step 3: Cross multiply
18,341,767.60x = 27,512,633.32 × 4,694,892.22 - Step 4: Simplify right side
18,341,767.60x = 129,168,848,125,780.77 - Step 5: Solve for x
x = 129,168,848,125,780.77/18,341,767.60 - Step 6: Final answer
x = 7,042,333.70
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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.