Finding the Fourth Proportional to 10,935,796.40, 15,091,525.68 and 6,040,917.09
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Solution
The fourth proportional to 10,935,796.40, 15,091,525.68 and 6,040,917.09 is: 8,336,535.55
Step by Step Solution
- Step 1: Write the proportion equation
10,935,796.40 : 15,091,525.68 = 6,040,917.09 : x - Step 2: Convert to fraction form
10,935,796.40/15,091,525.68 = 6,040,917.09/x - Step 3: Cross multiply
10,935,796.40x = 15,091,525.68 × 6,040,917.09 - Step 4: Simplify right side
10,935,796.40x = 91,166,655,405,812.59 - Step 5: Solve for x
x = 91,166,655,405,812.59/10,935,796.40 - Step 6: Final answer
x = 8,336,535.55
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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.