Finding the Fourth Proportional to 7,372,289.30, 11,058,433.95 and 4,183,643.30
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Solution
The fourth proportional to 7,372,289.30, 11,058,433.95 and 4,183,643.30 is: 6,275,464.95
Step by Step Solution
- Step 1: Write the proportion equation
7,372,289.30 : 11,058,433.95 = 4,183,643.30 : x - Step 2: Convert to fraction form
7,372,289.30/11,058,433.95 = 4,183,643.30/x - Step 3: Cross multiply
7,372,289.30x = 11,058,433.95 × 4,183,643.30 - Step 4: Simplify right side
7,372,289.30x = 46,264,543,103,410.03 - Step 5: Solve for x
x = 46,264,543,103,410.03/7,372,289.30 - Step 6: Final answer
x = 6,275,464.95
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Double scale
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Similar ratio
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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.