Finding the Fourth Proportional to 7,372,227.80, 11,058,341.70 and 4,183,581.80
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Solution
The fourth proportional to 7,372,227.80, 11,058,341.70 and 4,183,581.80 is: 6,275,372.70
Step by Step Solution
- Step 1: Write the proportion equation
7,372,227.80 : 11,058,341.70 = 4,183,581.80 : x - Step 2: Convert to fraction form
7,372,227.80/11,058,341.70 = 4,183,581.80/x - Step 3: Cross multiply
7,372,227.80x = 11,058,341.70 × 4,183,581.80 - Step 4: Simplify right side
7,372,227.80x = 46,263,477,074,301.05 - Step 5: Solve for x
x = 46,263,477,074,301.05/7,372,227.80 - Step 6: Final answer
x = 6,275,372.70
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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.