Finding the Fourth Proportional to 11,451,040.76, 15,802,343.10 and 6,294,347.48
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Solution
The fourth proportional to 11,451,040.76, 15,802,343.10 and 6,294,347.48 is: 8,686,148.32
Step by Step Solution
- Step 1: Write the proportion equation
11,451,040.76 : 15,802,343.10 = 6,294,347.48 : x - Step 2: Convert to fraction form
11,451,040.76/15,802,343.10 = 6,294,347.48/x - Step 3: Cross multiply
11,451,040.76x = 15,802,343.10 × 6,294,347.48 - Step 4: Simplify right side
11,451,040.76x = 99,465,438,469,580.39 - Step 5: Solve for x
x = 99,465,438,469,580.39/11,451,040.76 - Step 6: Final answer
x = 8,686,148.32
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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.