Finding the Fourth Proportional to 39,297,776.81, 54,229,660.79 and 22,555,272.42
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Solution
The fourth proportional to 39,297,776.81, 54,229,660.79 and 22,555,272.42 is: 31,125,546.32
Step by Step Solution
- Step 1: Write the proportion equation
39,297,776.81 : 54,229,660.79 = 22,555,272.42 : x - Step 2: Convert to fraction form
39,297,776.81/54,229,660.79 = 22,555,272.42/x - Step 3: Cross multiply
39,297,776.81x = 54,229,660.79 × 22,555,272.42 - Step 4: Simplify right side
39,297,776.81x = 1,223,164,772,249,866 - Step 5: Solve for x
x = 1,223,164,772,249,866/39,297,776.81 - Step 6: Final answer
x = 31,125,546.32
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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.