Finding the Fourth Proportional to 13,097,625.49, 19,649,383.44 and 3,998,961.91
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Solution
The fourth proportional to 13,097,625.49, 19,649,383.44 and 3,998,961.91 is: 5,999,342.09
Step by Step Solution
- Step 1: Write the proportion equation
13,097,625.49 : 19,649,383.44 = 3,998,961.91 : x - Step 2: Convert to fraction form
13,097,625.49/19,649,383.44 = 3,998,961.91/x - Step 3: Cross multiply
13,097,625.49x = 19,649,383.44 × 3,998,961.91 - Step 4: Simplify right side
13,097,625.49x = 78,577,135,931,544.78 - Step 5: Solve for x
x = 78,577,135,931,544.78/13,097,625.49 - Step 6: Final answer
x = 5,999,342.09
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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.