Finding the Fourth Proportional to 16,112,203.31, 22,235,313.47 and 8,770,515.38
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Solution
The fourth proportional to 16,112,203.31, 22,235,313.47 and 8,770,515.38 is: 12,103,568.64
Step by Step Solution
- Step 1: Write the proportion equation
16,112,203.31 : 22,235,313.47 = 8,770,515.38 : x - Step 2: Convert to fraction form
16,112,203.31/22,235,313.47 = 8,770,515.38/x - Step 3: Cross multiply
16,112,203.31x = 22,235,313.47 × 8,770,515.38 - Step 4: Simplify right side
16,112,203.31x = 195,015,158,612,727.03 - Step 5: Solve for x
x = 195,015,158,612,727.03/16,112,203.31 - Step 6: Final answer
x = 12,103,568.64
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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.