Finding the Fourth Proportional to 51,135,695.69, 76,703,544.55 and 12,274,147.69
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Solution
The fourth proportional to 51,135,695.69, 76,703,544.55 and 12,274,147.69 is: 18,411,221.78
Step by Step Solution
- Step 1: Write the proportion equation
51,135,695.69 : 76,703,544.55 = 12,274,147.69 : x - Step 2: Convert to fraction form
51,135,695.69/76,703,544.55 = 12,274,147.69/x - Step 3: Cross multiply
51,135,695.69x = 76,703,544.55 × 12,274,147.69 - Step 4: Simplify right side
51,135,695.69x = 941,470,633,994,023.50 - Step 5: Solve for x
x = 941,470,633,994,023.50/51,135,695.69 - Step 6: Final answer
x = 18,411,221.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.