Finding the Fourth Proportional to 18,417,519.48, 27,621,566.80 and 5,460,640.44
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Solution
The fourth proportional to 18,417,519.48, 27,621,566.80 and 5,460,640.44 is: 8,189,563.47
Step by Step Solution
- Step 1: Write the proportion equation
18,417,519.48 : 27,621,566.80 = 5,460,640.44 : x - Step 2: Convert to fraction form
18,417,519.48/27,621,566.80 = 5,460,640.44/x - Step 3: Cross multiply
18,417,519.48x = 27,621,566.80 × 5,460,640.44 - Step 4: Simplify right side
18,417,519.48x = 150,831,444,684,241.41 - Step 5: Solve for x
x = 150,831,444,684,241.41/18,417,519.48 - Step 6: Final answer
x = 8,189,563.47
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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.