Finding the Fourth Proportional to 10,450,385.17, 14,420,735.36 and 5,865,820.81
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Solution
The fourth proportional to 10,450,385.17, 14,420,735.36 and 5,865,820.81 is: 8,094,385.82
Step by Step Solution
- Step 1: Write the proportion equation
10,450,385.17 : 14,420,735.36 = 5,865,820.81 : x - Step 2: Convert to fraction form
10,450,385.17/14,420,735.36 = 5,865,820.81/x - Step 3: Cross multiply
10,450,385.17x = 14,420,735.36 × 5,865,820.81 - Step 4: Simplify right side
10,450,385.17x = 84,589,449,570,190.83 - Step 5: Solve for x
x = 84,589,449,570,190.83/10,450,385.17 - Step 6: Final answer
x = 8,094,385.82
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1.5x scale
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.