Finding the Fourth Proportional to 8,125,774.86, 11,213,497.68 and 4,454,624.70
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Solution
The fourth proportional to 8,125,774.86, 11,213,497.68 and 4,454,624.70 is: 6,147,342.82
Step by Step Solution
- Step 1: Write the proportion equation
8,125,774.86 : 11,213,497.68 = 4,454,624.70 : x - Step 2: Convert to fraction form
8,125,774.86/11,213,497.68 = 4,454,624.70/x - Step 3: Cross multiply
8,125,774.86x = 11,213,497.68 × 4,454,624.70 - Step 4: Simplify right side
8,125,774.86x = 49,951,923,738,720.70 - Step 5: Solve for x
x = 49,951,923,738,720.70/8,125,774.86 - Step 6: Final answer
x = 6,147,342.82
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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.