Finding the Fourth Proportional to 12,440,698.56, 18,647,568.09 and 6,367,102.97
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Solution
The fourth proportional to 12,440,698.56, 18,647,568.09 and 6,367,102.97 is: 9,543,755.56
Step by Step Solution
- Step 1: Write the proportion equation
12,440,698.56 : 18,647,568.09 = 6,367,102.97 : x - Step 2: Convert to fraction form
12,440,698.56/18,647,568.09 = 6,367,102.97/x - Step 3: Cross multiply
12,440,698.56x = 18,647,568.09 × 6,367,102.97 - Step 4: Simplify right side
12,440,698.56x = 118,730,986,075,878.39 - Step 5: Solve for x
x = 118,730,986,075,878.39/12,440,698.56 - Step 6: Final answer
x = 9,543,755.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.