Finding the Fourth Proportional to 7,372,270.80, 11,058,406.20 and 4,183,624.80
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Solution
The fourth proportional to 7,372,270.80, 11,058,406.20 and 4,183,624.80 is: 6,275,437.20
Step by Step Solution
- Step 1: Write the proportion equation
7,372,270.80 : 11,058,406.20 = 4,183,624.80 : x - Step 2: Convert to fraction form
7,372,270.80/11,058,406.20 = 4,183,624.80/x - Step 3: Cross multiply
7,372,270.80x = 11,058,406.20 × 4,183,624.80 - Step 4: Simplify right side
7,372,270.80x = 46,264,222,426,793.76 - Step 5: Solve for x
x = 46,264,222,426,793.76/7,372,270.80 - Step 6: Final answer
x = 6,275,437.20
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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.