Finding the Fourth Proportional to 11,083,028.84, 15,286,163.23 and 9,536,881.53
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Solution
The fourth proportional to 11,083,028.84, 15,286,163.23 and 9,536,881.53 is: 13,153,654.10
Step by Step Solution
- Step 1: Write the proportion equation
11,083,028.84 : 15,286,163.23 = 9,536,881.53 : x - Step 2: Convert to fraction form
11,083,028.84/15,286,163.23 = 9,536,881.53/x - Step 3: Cross multiply
11,083,028.84x = 15,286,163.23 × 9,536,881.53 - Step 4: Simplify right side
11,083,028.84x = 145,782,327,772,752.12 - Step 5: Solve for x
x = 145,782,327,772,752.12/11,083,028.84 - Step 6: Final answer
x = 13,153,654.10
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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.