Finding the Fourth Proportional to 13,834,615.53, 20,738,035.21 and 4,730,486.84
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Solution
The fourth proportional to 13,834,615.53, 20,738,035.21 and 4,730,486.84 is: 7,090,981.49
Step by Step Solution
- Step 1: Write the proportion equation
13,834,615.53 : 20,738,035.21 = 4,730,486.84 : x - Step 2: Convert to fraction form
13,834,615.53/20,738,035.21 = 4,730,486.84/x - Step 3: Cross multiply
13,834,615.53x = 20,738,035.21 × 4,730,486.84 - Step 4: Simplify right side
13,834,615.53x = 98,101,002,648,361.64 - Step 5: Solve for x
x = 98,101,002,648,361.64/13,834,615.53 - Step 6: Final answer
x = 7,090,981.49
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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.