Finding the Fourth Proportional to 8,922,899.09, 12,313,674.54 and 4,848,518.09
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Solution
The fourth proportional to 8,922,899.09, 12,313,674.54 and 4,848,518.09 is: 6,690,995.06
Step by Step Solution
- Step 1: Write the proportion equation
8,922,899.09 : 12,313,674.54 = 4,848,518.09 : x - Step 2: Convert to fraction form
8,922,899.09/12,313,674.54 = 4,848,518.09/x - Step 3: Cross multiply
8,922,899.09x = 12,313,674.54 × 4,848,518.09 - Step 4: Simplify right side
8,922,899.09x = 59,703,073,699,994.05 - Step 5: Solve for x
x = 59,703,073,699,994.05/8,922,899.09 - Step 6: Final answer
x = 6,690,995.06
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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.