Finding the Fourth Proportional to 8,432,074.24, 11,637,640.32 and 5,170,684
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Solution
The fourth proportional to 8,432,074.24, 11,637,640.32 and 5,170,684 is: 7,136,388.85
Step by Step Solution
- Step 1: Write the proportion equation
8,432,074.24 : 11,637,640.32 = 5,170,684 : x - Step 2: Convert to fraction form
8,432,074.24/11,637,640.32 = 5,170,684/x - Step 3: Cross multiply
8,432,074.24x = 11,637,640.32 × 5,170,684 - Step 4: Simplify right side
8,432,074.24x = 60,174,560,600,378.88 - Step 5: Solve for x
x = 60,174,560,600,378.88/8,432,074.24 - Step 6: Final answer
x = 7,136,388.85
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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.