Finding the Fourth Proportional to 8,440,261.68, 11,647,572.70 and 4,572,782.84
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Solution
The fourth proportional to 8,440,261.68, 11,647,572.70 and 4,572,782.84 is: 6,310,446.59
Step by Step Solution
- Step 1: Write the proportion equation
8,440,261.68 : 11,647,572.70 = 4,572,782.84 : x - Step 2: Convert to fraction form
8,440,261.68/11,647,572.70 = 4,572,782.84/x - Step 3: Cross multiply
8,440,261.68x = 11,647,572.70 × 4,572,782.84 - Step 4: Simplify right side
8,440,261.68x = 53,261,820,570,212.46 - Step 5: Solve for x
x = 53,261,820,570,212.46/8,440,261.68 - Step 6: Final answer
x = 6,310,446.59
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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.