Finding the Fourth Proportional to 39,297,783.38, 54,229,669.83 and 22,555,278.99
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Solution
The fourth proportional to 39,297,783.38, 54,229,669.83 and 22,555,278.99 is: 31,125,555.37
Step by Step Solution
- Step 1: Write the proportion equation
39,297,783.38 : 54,229,669.83 = 22,555,278.99 : x - Step 2: Convert to fraction form
39,297,783.38/54,229,669.83 = 22,555,278.99/x - Step 3: Cross multiply
39,297,783.38x = 54,229,669.83 × 22,555,278.99 - Step 4: Simplify right side
39,297,783.38x = 1,223,165,332,551,235.75 - Step 5: Solve for x
x = 1,223,165,332,551,235.75/39,297,783.38 - Step 6: Final answer
x = 31,125,555.37
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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.