Finding the Fourth Proportional to 8,032,902.36, 11,082,634.20 and 5,133,990.12
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Solution
The fourth proportional to 8,032,902.36, 11,082,634.20 and 5,133,990.12 is: 7,083,135.33
Step by Step Solution
- Step 1: Write the proportion equation
8,032,902.36 : 11,082,634.20 = 5,133,990.12 : x - Step 2: Convert to fraction form
8,032,902.36/11,082,634.20 = 5,133,990.12/x - Step 3: Cross multiply
8,032,902.36x = 11,082,634.20 × 5,133,990.12 - Step 4: Simplify right side
8,032,902.36x = 56,898,134,486,374.10 - Step 5: Solve for x
x = 56,898,134,486,374.10/8,032,902.36 - Step 6: Final answer
x = 7,083,135.33
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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.