Finding the Fourth Proportional to 7,109,672.32, 10,665,614.40 and 2,316,245.68
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Solution
The fourth proportional to 7,109,672.32, 10,665,614.40 and 2,316,245.68 is: 3,474,728.82
Step by Step Solution
- Step 1: Write the proportion equation
7,109,672.32 : 10,665,614.40 = 2,316,245.68 : x - Step 2: Convert to fraction form
7,109,672.32/10,665,614.40 = 2,316,245.68/x - Step 3: Cross multiply
7,109,672.32x = 10,665,614.40 × 2,316,245.68 - Step 4: Simplify right side
7,109,672.32x = 24,704,183,278,545.79 - Step 5: Solve for x
x = 24,704,183,278,545.79/7,109,672.32 - Step 6: Final answer
x = 3,474,728.82
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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.