Finding the Fourth Proportional to 13,375,966.74, 18,458,942.52 and 7,264,438.98
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Solution
The fourth proportional to 13,375,966.74, 18,458,942.52 and 7,264,438.98 is: 10,024,984.67
Step by Step Solution
- Step 1: Write the proportion equation
13,375,966.74 : 18,458,942.52 = 7,264,438.98 : x - Step 2: Convert to fraction form
13,375,966.74/18,458,942.52 = 7,264,438.98/x - Step 3: Cross multiply
13,375,966.74x = 18,458,942.52 × 7,264,438.98 - Step 4: Simplify right side
13,375,966.74x = 134,093,861,571,867.44 - Step 5: Solve for x
x = 134,093,861,571,867.44/13,375,966.74 - Step 6: Final answer
x = 10,024,984.67
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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.