Finding the Fourth Proportional to 11,083,027.84, 15,286,161.85 and 9,536,880.53
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Solution
The fourth proportional to 11,083,027.84, 15,286,161.85 and 9,536,880.53 is: 13,153,652.73
Step by Step Solution
- Step 1: Write the proportion equation
11,083,027.84 : 15,286,161.85 = 9,536,880.53 : x - Step 2: Convert to fraction form
11,083,027.84/15,286,161.85 = 9,536,880.53/x - Step 3: Cross multiply
11,083,027.84x = 15,286,161.85 × 9,536,880.53 - Step 4: Simplify right side
11,083,027.84x = 145,782,299,340,067 - Step 5: Solve for x
x = 145,782,299,340,067/11,083,027.84 - Step 6: Final answer
x = 13,153,652.73
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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.