Finding the Fourth Proportional to 15,106,022.46, 22,659,190.74 and 12,092,544.18
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Solution
The fourth proportional to 15,106,022.46, 22,659,190.74 and 12,092,544.18 is: 18,138,941.99
Step by Step Solution
- Step 1: Write the proportion equation
15,106,022.46 : 22,659,190.74 = 12,092,544.18 : x - Step 2: Convert to fraction form
15,106,022.46/22,659,190.74 = 12,092,544.18/x - Step 3: Cross multiply
15,106,022.46x = 22,659,190.74 × 12,092,544.18 - Step 4: Simplify right side
15,106,022.46x = 274,007,265,106,496.88 - Step 5: Solve for x
x = 274,007,265,106,496.88/15,106,022.46 - Step 6: Final answer
x = 18,138,941.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.