Finding the Fourth Proportional to 7,113,256.40, 10,665,558.84 and 2,790,125.96
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Solution
The fourth proportional to 7,113,256.40, 10,665,558.84 and 2,790,125.96 is: 4,183,492.19
Step by Step Solution
- Step 1: Write the proportion equation
7,113,256.40 : 10,665,558.84 = 2,790,125.96 : x - Step 2: Convert to fraction form
7,113,256.40/10,665,558.84 = 2,790,125.96/x - Step 3: Cross multiply
7,113,256.40x = 10,665,558.84 × 2,790,125.96 - Step 4: Simplify right side
7,113,256.40x = 29,758,252,597,391.48 - Step 5: Solve for x
x = 29,758,252,597,391.48/7,113,256.40 - Step 6: Final answer
x = 4,183,492.19
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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.