Finding the Fourth Proportional to 18,417,528.96, 27,621,581.13 and 5,460,649.98
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Solution
The fourth proportional to 18,417,528.96, 27,621,581.13 and 5,460,649.98 is: 8,189,577.81
Step by Step Solution
- Step 1: Write the proportion equation
18,417,528.96 : 27,621,581.13 = 5,460,649.98 : x - Step 2: Convert to fraction form
18,417,528.96/27,621,581.13 = 5,460,649.98/x - Step 3: Cross multiply
18,417,528.96x = 27,621,581.13 × 5,460,649.98 - Step 4: Simplify right side
18,417,528.96x = 150,831,786,445,102.88 - Step 5: Solve for x
x = 150,831,786,445,102.88/18,417,528.96 - Step 6: Final answer
x = 8,189,577.81
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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.