Finding the Fourth Proportional to 10,868,536.80, 16,302,286.80 and 3,679,365.60
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Solution
The fourth proportional to 10,868,536.80, 16,302,286.80 and 3,679,365.60 is: 5,518,872.90
Step by Step Solution
- Step 1: Write the proportion equation
10,868,536.80 : 16,302,286.80 = 3,679,365.60 : x - Step 2: Convert to fraction form
10,868,536.80/16,302,286.80 = 3,679,365.60/x - Step 3: Cross multiply
10,868,536.80x = 16,302,286.80 × 3,679,365.60 - Step 4: Simplify right side
10,868,536.80x = 59,982,073,253,254.09 - Step 5: Solve for x
x = 59,982,073,253,254.09/10,868,536.80 - Step 6: Final answer
x = 5,518,872.90
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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.