Finding the Fourth Proportional to 11,565,465.26, 15,960,435.82 and 6,408,912.92
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Solution
The fourth proportional to 11,565,465.26, 15,960,435.82 and 6,408,912.92 is: 8,844,351.78
Step by Step Solution
- Step 1: Write the proportion equation
11,565,465.26 : 15,960,435.82 = 6,408,912.92 : x - Step 2: Convert to fraction form
11,565,465.26/15,960,435.82 = 6,408,912.92/x - Step 3: Cross multiply
11,565,465.26x = 15,960,435.82 × 6,408,912.92 - Step 4: Simplify right side
11,565,465.26x = 102,289,043,239,804.34 - Step 5: Solve for x
x = 102,289,043,239,804.34/11,565,465.26 - Step 6: Final answer
x = 8,844,351.78
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1.5x scale
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.