Finding the Fourth Proportional to 8,860,161.75, 12,227,028.12 and 4,785,780.75
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Solution
The fourth proportional to 8,860,161.75, 12,227,028.12 and 4,785,780.75 is: 6,604,380.08
Step by Step Solution
- Step 1: Write the proportion equation
8,860,161.75 : 12,227,028.12 = 4,785,780.75 : x - Step 2: Convert to fraction form
8,860,161.75/12,227,028.12 = 4,785,780.75/x - Step 3: Cross multiply
8,860,161.75x = 12,227,028.12 × 4,785,780.75 - Step 4: Simplify right side
8,860,161.75x = 58,515,875,806,404.69 - Step 5: Solve for x
x = 58,515,875,806,404.69/8,860,161.75 - Step 6: Final answer
x = 6,604,380.08
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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.