Finding the Fourth Proportional to 8,135,929.24, 11,226,765.04 and 4,872,660.37
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Solution
The fourth proportional to 8,135,929.24, 11,226,765.04 and 4,872,660.37 is: 6,723,781.82
Step by Step Solution
- Step 1: Write the proportion equation
8,135,929.24 : 11,226,765.04 = 4,872,660.37 : x - Step 2: Convert to fraction form
8,135,929.24/11,226,765.04 = 4,872,660.37/x - Step 3: Cross multiply
8,135,929.24x = 11,226,765.04 × 4,872,660.37 - Step 4: Simplify right side
8,135,929.24x = 54,704,213,093,709.46 - Step 5: Solve for x
x = 54,704,213,093,709.46/8,135,929.24 - Step 6: Final answer
x = 6,723,781.82
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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.