Finding the Fourth Proportional to 10,310,297.10, 15,428,704.05 and 8,977,101.90
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Solution
The fourth proportional to 10,310,297.10, 15,428,704.05 and 8,977,101.90 is: 13,433,662.20
Step by Step Solution
- Step 1: Write the proportion equation
10,310,297.10 : 15,428,704.05 = 8,977,101.90 : x - Step 2: Convert to fraction form
10,310,297.10/15,428,704.05 = 8,977,101.90/x - Step 3: Cross multiply
10,310,297.10x = 15,428,704.05 × 8,977,101.90 - Step 4: Simplify right side
10,310,297.10x = 138,505,048,441,792.70 - Step 5: Solve for x
x = 138,505,048,441,792.70/10,310,297.10 - Step 6: Final answer
x = 13,433,662.20
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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.