Finding the Fourth Proportional to 18,417,531.46, 27,621,584.88 and 5,460,652.48
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Solution
The fourth proportional to 18,417,531.46, 27,621,584.88 and 5,460,652.48 is: 8,189,581.56
Step by Step Solution
- Step 1: Write the proportion equation
18,417,531.46 : 27,621,584.88 = 5,460,652.48 : x - Step 2: Convert to fraction form
18,417,531.46/27,621,584.88 = 5,460,652.48/x - Step 3: Cross multiply
18,417,531.46x = 27,621,584.88 × 5,460,652.48 - Step 4: Simplify right side
18,417,531.46x = 150,831,875,976,502.50 - Step 5: Solve for x
x = 150,831,875,976,502.50/18,417,531.46 - Step 6: Final answer
x = 8,189,581.56
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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.