Finding the Fourth Proportional to 9,022,173.36, 12,451,259.12 and 5,154,611.49
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Solution
The fourth proportional to 9,022,173.36, 12,451,259.12 and 5,154,611.49 is: 7,113,740.86
Step by Step Solution
- Step 1: Write the proportion equation
9,022,173.36 : 12,451,259.12 = 5,154,611.49 : x - Step 2: Convert to fraction form
9,022,173.36/12,451,259.12 = 5,154,611.49/x - Step 3: Cross multiply
9,022,173.36x = 12,451,259.12 × 5,154,611.49 - Step 4: Simplify right side
9,022,173.36x = 64,181,403,299,146.23 - Step 5: Solve for x
x = 64,181,403,299,146.23/9,022,173.36 - Step 6: Final answer
x = 7,113,740.86
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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.