Finding the Fourth Proportional to 14,269,720.35, 19,692,114.20 and 7,743,183.84
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Solution
The fourth proportional to 14,269,720.35, 19,692,114.20 and 7,743,183.84 is: 10,685,539.50
Step by Step Solution
- Step 1: Write the proportion equation
14,269,720.35 : 19,692,114.20 = 7,743,183.84 : x - Step 2: Convert to fraction form
14,269,720.35/19,692,114.20 = 7,743,183.84/x - Step 3: Cross multiply
14,269,720.35x = 19,692,114.20 × 7,743,183.84 - Step 4: Simplify right side
14,269,720.35x = 152,479,660,410,158.59 - Step 5: Solve for x
x = 152,479,660,410,158.59/14,269,720.35 - Step 6: Final answer
x = 10,685,539.50
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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.