Finding the Fourth Proportional to 11,831,201.34, 16,327,057.86 and 6,398,693.34
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Solution
The fourth proportional to 11,831,201.34, 16,327,057.86 and 6,398,693.34 is: 8,830,196.82
Step by Step Solution
- Step 1: Write the proportion equation
11,831,201.34 : 16,327,057.86 = 6,398,693.34 : x - Step 2: Convert to fraction form
11,831,201.34/16,327,057.86 = 6,398,693.34/x - Step 3: Cross multiply
11,831,201.34x = 16,327,057.86 × 6,398,693.34 - Step 4: Simplify right side
11,831,201.34x = 104,471,836,390,576.64 - Step 5: Solve for x
x = 104,471,836,390,576.64/11,831,201.34 - Step 6: Final answer
x = 8,830,196.82
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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.