Finding the Fourth Proportional to 38,542,355.72, 53,183,548.04 and 22,023,548.64
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Solution
The fourth proportional to 38,542,355.72, 53,183,548.04 and 22,023,548.64 is: 30,389,695.58
Step by Step Solution
- Step 1: Write the proportion equation
38,542,355.72 : 53,183,548.04 = 22,023,548.64 : x - Step 2: Convert to fraction form
38,542,355.72/53,183,548.04 = 22,023,548.64/x - Step 3: Cross multiply
38,542,355.72x = 53,183,548.04 × 22,023,548.64 - Step 4: Simplify right side
38,542,355.72x = 1,171,290,457,106,716.75 - Step 5: Solve for x
x = 1,171,290,457,106,716.75/38,542,355.72 - Step 6: Final answer
x = 30,389,695.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.