Finding the Fourth Proportional to 12,201,351.96, 18,289,903.68 and 6,117,515.04
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Solution
The fourth proportional to 12,201,351.96, 18,289,903.68 and 6,117,515.04 is: 9,170,193.69
Step by Step Solution
- Step 1: Write the proportion equation
12,201,351.96 : 18,289,903.68 = 6,117,515.04 : x - Step 2: Convert to fraction form
12,201,351.96/18,289,903.68 = 6,117,515.04/x - Step 3: Cross multiply
12,201,351.96x = 18,289,903.68 × 6,117,515.04 - Step 4: Simplify right side
12,201,351.96x = 111,888,760,811,963.78 - Step 5: Solve for x
x = 111,888,760,811,963.78/12,201,351.96 - Step 6: Final answer
x = 9,170,193.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.