Finding the Fourth Proportional to 8,883,538.68, 12,259,287.48 and 4,809,157.68
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Solution
The fourth proportional to 8,883,538.68, 12,259,287.48 and 4,809,157.68 is: 6,636,639.82
Step by Step Solution
- Step 1: Write the proportion equation
8,883,538.68 : 12,259,287.48 = 4,809,157.68 : x - Step 2: Convert to fraction form
8,883,538.68/12,259,287.48 = 4,809,157.68/x - Step 3: Cross multiply
8,883,538.68x = 12,259,287.48 × 4,809,157.68 - Step 4: Simplify right side
8,883,538.68x = 58,956,846,535,769.84 - Step 5: Solve for x
x = 58,956,846,535,769.84/8,883,538.68 - Step 6: Final answer
x = 6,636,639.82
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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.