Finding the Fourth Proportional to 13,534,356.42, 20,301,197.27 and 3,949,817.99
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Solution
The fourth proportional to 13,534,356.42, 20,301,197.27 and 3,949,817.99 is: 5,924,628.52
Step by Step Solution
- Step 1: Write the proportion equation
13,534,356.42 : 20,301,197.27 = 3,949,817.99 : x - Step 2: Convert to fraction form
13,534,356.42/20,301,197.27 = 3,949,817.99/x - Step 3: Cross multiply
13,534,356.42x = 20,301,197.27 × 3,949,817.99 - Step 4: Simplify right side
13,534,356.42x = 80,186,034,074,329.81 - Step 5: Solve for x
x = 80,186,034,074,329.81/13,534,356.42 - Step 6: Final answer
x = 5,924,628.52
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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.