Finding the Fourth Proportional to 14,188,351.86, 21,282,527.97 and 3,405,652.68
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Solution
The fourth proportional to 14,188,351.86, 21,282,527.97 and 3,405,652.68 is: 5,108,479.06
Step by Step Solution
- Step 1: Write the proportion equation
14,188,351.86 : 21,282,527.97 = 3,405,652.68 : x - Step 2: Convert to fraction form
14,188,351.86/21,282,527.97 = 3,405,652.68/x - Step 3: Cross multiply
14,188,351.86x = 21,282,527.97 × 3,405,652.68 - Step 4: Simplify right side
14,188,351.86x = 72,480,898,418,205.45 - Step 5: Solve for x
x = 72,480,898,418,205.45/14,188,351.86 - Step 6: Final answer
x = 5,108,479.06
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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.