Finding the Fourth Proportional to 10,977,178.05, 15,148,490.81 and 6,082,717.14
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Solution
The fourth proportional to 10,977,178.05, 15,148,490.81 and 6,082,717.14 is: 8,394,141.39
Step by Step Solution
- Step 1: Write the proportion equation
10,977,178.05 : 15,148,490.81 = 6,082,717.14 : x - Step 2: Convert to fraction form
10,977,178.05/15,148,490.81 = 6,082,717.14/x - Step 3: Cross multiply
10,977,178.05x = 15,148,490.81 × 6,082,717.14 - Step 4: Simplify right side
10,977,178.05x = 92,143,984,664,705.89 - Step 5: Solve for x
x = 92,143,984,664,705.89/10,977,178.05 - Step 6: Final answer
x = 8,394,141.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.