Finding the Fourth Proportional to 9,149,378.24, 13,706,743.60 and 6,107,571.20
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Solution
The fourth proportional to 9,149,378.24, 13,706,743.60 and 6,107,571.20 is: 9,149,792.51
Step by Step Solution
- Step 1: Write the proportion equation
9,149,378.24 : 13,706,743.60 = 6,107,571.20 : x - Step 2: Convert to fraction form
9,149,378.24/13,706,743.60 = 6,107,571.20/x - Step 3: Cross multiply
9,149,378.24x = 13,706,743.60 × 6,107,571.20 - Step 4: Simplify right side
9,149,378.24x = 83,714,912,457,144.31 - Step 5: Solve for x
x = 83,714,912,457,144.31/9,149,378.24 - Step 6: Final answer
x = 9,149,792.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.