Finding the Fourth Proportional to 13,263,576.62, 18,303,548.27 and 7,462,344.53
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Solution
The fourth proportional to 13,263,576.62, 18,303,548.27 and 7,462,344.53 is: 10,297,929.98
Step by Step Solution
- Step 1: Write the proportion equation
13,263,576.62 : 18,303,548.27 = 7,462,344.53 : x - Step 2: Convert to fraction form
13,263,576.62/18,303,548.27 = 7,462,344.53/x - Step 3: Cross multiply
13,263,576.62x = 18,303,548.27 × 7,462,344.53 - Step 4: Simplify right side
13,263,576.62x = 136,587,383,320,672.61 - Step 5: Solve for x
x = 136,587,383,320,672.61/13,263,576.62 - Step 6: Final answer
x = 10,297,929.98
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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.