Finding the Fourth Proportional to 23,396,961.58, 32,287,202.84 and 12,942,705.49
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Solution
The fourth proportional to 23,396,961.58, 32,287,202.84 and 12,942,705.49 is: 17,860,599.38
Step by Step Solution
- Step 1: Write the proportion equation
23,396,961.58 : 32,287,202.84 = 12,942,705.49 : x - Step 2: Convert to fraction form
23,396,961.58/32,287,202.84 = 12,942,705.49/x - Step 3: Cross multiply
23,396,961.58x = 32,287,202.84 × 12,942,705.49 - Step 4: Simplify right side
23,396,961.58x = 417,883,757,405,650.38 - Step 5: Solve for x
x = 417,883,757,405,650.38/23,396,961.58 - Step 6: Final answer
x = 17,860,599.38
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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.