Finding the Fourth Proportional to 7,650,624, 10,557,861.12 and 4,212,856.84
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Solution
The fourth proportional to 7,650,624, 10,557,861.12 and 4,212,856.84 is: 5,813,742.44
Step by Step Solution
- Step 1: Write the proportion equation
7,650,624 : 10,557,861.12 = 4,212,856.84 : x - Step 2: Convert to fraction form
7,650,624/10,557,861.12 = 4,212,856.84/x - Step 3: Cross multiply
7,650,624x = 10,557,861.12 × 4,212,856.84 - Step 4: Simplify right side
7,650,624x = 44,478,757,435,162.05 - Step 5: Solve for x
x = 44,478,757,435,162.05/7,650,624 - Step 6: Final answer
x = 5,813,742.44
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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.