Finding the Fourth Proportional to 18,089,557.29, 27,138,533.34 and 5,958,585.81
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Solution
The fourth proportional to 18,089,557.29, 27,138,533.34 and 5,958,585.81 is: 8,939,261.31
Step by Step Solution
- Step 1: Write the proportion equation
18,089,557.29 : 27,138,533.34 = 5,958,585.81 : x - Step 2: Convert to fraction form
18,089,557.29/27,138,533.34 = 5,958,585.81/x - Step 3: Cross multiply
18,089,557.29x = 27,138,533.34 × 5,958,585.81 - Step 4: Simplify right side
18,089,557.29x = 161,707,279,663,935.91 - Step 5: Solve for x
x = 161,707,279,663,935.91/18,089,557.29 - Step 6: Final answer
x = 8,939,261.31
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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.