Finding the Fourth Proportional to 16,130,207.56, 22,259,674.20 and 8,886,863.56
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Solution
The fourth proportional to 16,130,207.56, 22,259,674.20 and 8,886,863.56 is: 12,263,864.97
Step by Step Solution
- Step 1: Write the proportion equation
16,130,207.56 : 22,259,674.20 = 8,886,863.56 : x - Step 2: Convert to fraction form
16,130,207.56/22,259,674.20 = 8,886,863.56/x - Step 3: Cross multiply
16,130,207.56x = 22,259,674.20 × 8,886,863.56 - Step 4: Simplify right side
16,130,207.56x = 197,818,687,505,452.16 - Step 5: Solve for x
x = 197,818,687,505,452.16/16,130,207.56 - Step 6: Final answer
x = 12,263,864.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.