Finding the Fourth Proportional to 12,145,027.34, 18,220,734.90 and 4,364,727.01
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Solution
The fourth proportional to 12,145,027.34, 18,220,734.90 and 4,364,727.01 is: 6,548,238.34
Step by Step Solution
- Step 1: Write the proportion equation
12,145,027.34 : 18,220,734.90 = 4,364,727.01 : x - Step 2: Convert to fraction form
12,145,027.34/18,220,734.90 = 4,364,727.01/x - Step 3: Cross multiply
12,145,027.34x = 18,220,734.90 × 4,364,727.01 - Step 4: Simplify right side
12,145,027.34x = 79,528,533,714,527.81 - Step 5: Solve for x
x = 79,528,533,714,527.81/12,145,027.34 - Step 6: Final answer
x = 6,548,238.34
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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.