Finding the Fourth Proportional to 10,310,297.60, 15,428,704.80 and 8,977,102.40
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Solution
The fourth proportional to 10,310,297.60, 15,428,704.80 and 8,977,102.40 is: 13,433,662.95
Step by Step Solution
- Step 1: Write the proportion equation
10,310,297.60 : 15,428,704.80 = 8,977,102.40 : x - Step 2: Convert to fraction form
10,310,297.60/15,428,704.80 = 8,977,102.40/x - Step 3: Cross multiply
10,310,297.60x = 15,428,704.80 × 8,977,102.40 - Step 4: Simplify right side
10,310,297.60x = 138,505,062,888,971.53 - Step 5: Solve for x
x = 138,505,062,888,971.53/10,310,297.60 - Step 6: Final answer
x = 13,433,662.95
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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.