Finding the Fourth Proportional to 8,778,161.43, 13,167,682.79 and 2,794,995.99
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Solution
The fourth proportional to 8,778,161.43, 13,167,682.79 and 2,794,995.99 is: 4,192,634.29
Step by Step Solution
- Step 1: Write the proportion equation
8,778,161.43 : 13,167,682.79 = 2,794,995.99 : x - Step 2: Convert to fraction form
8,778,161.43/13,167,682.79 = 2,794,995.99/x - Step 3: Cross multiply
8,778,161.43x = 13,167,682.79 × 2,794,995.99 - Step 4: Simplify right side
8,778,161.43x = 36,803,620,581,667.04 - Step 5: Solve for x
x = 36,803,620,581,667.04/8,778,161.43 - Step 6: Final answer
x = 4,192,634.29
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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.