Finding the Fourth Proportional to 11,831,671.76, 16,327,708.24 and 6,399,163.76
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Solution
The fourth proportional to 11,831,671.76, 16,327,708.24 and 6,399,163.76 is: 8,830,846.64
Step by Step Solution
- Step 1: Write the proportion equation
11,831,671.76 : 16,327,708.24 = 6,399,163.76 : x - Step 2: Convert to fraction form
11,831,671.76/16,327,708.24 = 6,399,163.76/x - Step 3: Cross multiply
11,831,671.76x = 16,327,708.24 × 6,399,163.76 - Step 4: Simplify right side
11,831,671.76x = 104,483,678,853,261.38 - Step 5: Solve for x
x = 104,483,678,853,261.38/11,831,671.76 - Step 6: Final answer
x = 8,830,846.64
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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.