Finding the Fourth Proportional to 18,056,991.18, 27,085,902.39 and 4,410,250.86
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Solution
The fourth proportional to 18,056,991.18, 27,085,902.39 and 4,410,250.86 is: 6,615,477.80
Step by Step Solution
- Step 1: Write the proportion equation
18,056,991.18 : 27,085,902.39 = 4,410,250.86 : x - Step 2: Convert to fraction form
18,056,991.18/27,085,902.39 = 4,410,250.86/x - Step 3: Cross multiply
18,056,991.18x = 27,085,902.39 × 4,410,250.86 - Step 4: Simplify right side
18,056,991.18x = 119,455,624,309,373.56 - Step 5: Solve for x
x = 119,455,624,309,373.56/18,056,991.18 - Step 6: Final answer
x = 6,615,477.80
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1.5x scale
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.