Finding the Fourth Proportional to 13,807,031.07, 20,707,224.87 and 4,222,492.65
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Solution
The fourth proportional to 13,807,031.07, 20,707,224.87 and 4,222,492.65 is: 6,332,723.12
Step by Step Solution
- Step 1: Write the proportion equation
13,807,031.07 : 20,707,224.87 = 4,222,492.65 : x - Step 2: Convert to fraction form
13,807,031.07/20,707,224.87 = 4,222,492.65/x - Step 3: Cross multiply
13,807,031.07x = 20,707,224.87 × 4,222,492.65 - Step 4: Simplify right side
13,807,031.07x = 87,436,104,815,472.22 - Step 5: Solve for x
x = 87,436,104,815,472.22/13,807,031.07 - Step 6: Final answer
x = 6,332,723.12
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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.