Finding the Fourth Proportional to 11,565,391.85, 15,960,197.77 and 6,408,749.31
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Solution
The fourth proportional to 11,565,391.85, 15,960,197.77 and 6,408,749.31 is: 8,844,050.23
Step by Step Solution
- Step 1: Write the proportion equation
11,565,391.85 : 15,960,197.77 = 6,408,749.31 : x - Step 2: Convert to fraction form
11,565,391.85/15,960,197.77 = 6,408,749.31/x - Step 3: Cross multiply
11,565,391.85x = 15,960,197.77 × 6,408,749.31 - Step 4: Simplify right side
11,565,391.85x = 102,284,906,445,951.03 - Step 5: Solve for x
x = 102,284,906,445,951.03/11,565,391.85 - Step 6: Final answer
x = 8,844,050.23
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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.