Finding the Fourth Proportional to 37,195,442.81, 51,330,324.96 and 20,450,889.84
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Solution
The fourth proportional to 37,195,442.81, 51,330,324.96 and 20,450,889.84 is: 28,222,565.51
Step by Step Solution
- Step 1: Write the proportion equation
37,195,442.81 : 51,330,324.96 = 20,450,889.84 : x - Step 2: Convert to fraction form
37,195,442.81/51,330,324.96 = 20,450,889.84/x - Step 3: Cross multiply
37,195,442.81x = 51,330,324.96 × 20,450,889.84 - Step 4: Simplify right side
37,195,442.81x = 1,049,750,821,208,362.38 - Step 5: Solve for x
x = 1,049,750,821,208,362.38/37,195,442.81 - Step 6: Final answer
x = 28,222,565.51
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1.5x scale
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.