Finding the Fourth Proportional to 14,112,687.18, 19,486,478.46 and 10,844,350.14
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Solution
The fourth proportional to 14,112,687.18, 19,486,478.46 and 10,844,350.14 is: 14,973,632.78
Step by Step Solution
- Step 1: Write the proportion equation
14,112,687.18 : 19,486,478.46 = 10,844,350.14 : x - Step 2: Convert to fraction form
14,112,687.18/19,486,478.46 = 10,844,350.14/x - Step 3: Cross multiply
14,112,687.18x = 19,486,478.46 × 10,844,350.14 - Step 4: Simplify right side
14,112,687.18x = 211,318,195,415,808 - Step 5: Solve for x
x = 211,318,195,415,808/14,112,687.18 - Step 6: Final answer
x = 14,973,632.78
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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.