Finding the Fourth Proportional to 11,747,965.23, 17,621,560.26 and 4,831,205.13
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Solution
The fourth proportional to 11,747,965.23, 17,621,560.26 and 4,831,205.13 is: 7,246,648.31
Step by Step Solution
- Step 1: Write the proportion equation
11,747,965.23 : 17,621,560.26 = 4,831,205.13 : x - Step 2: Convert to fraction form
11,747,965.23/17,621,560.26 = 4,831,205.13/x - Step 3: Cross multiply
11,747,965.23x = 17,621,560.26 × 4,831,205.13 - Step 4: Simplify right side
11,747,965.23x = 85,133,372,326,716.14 - Step 5: Solve for x
x = 85,133,372,326,716.14/11,747,965.23 - Step 6: Final answer
x = 7,246,648.31
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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.