Finding the Fourth Proportional to 39,297,516.87, 54,229,301.50 and 22,555,012.18
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Solution
The fourth proportional to 39,297,516.87, 54,229,301.50 and 22,555,012.18 is: 31,125,186.86
Step by Step Solution
- Step 1: Write the proportion equation
39,297,516.87 : 54,229,301.50 = 22,555,012.18 : x - Step 2: Convert to fraction form
39,297,516.87/54,229,301.50 = 22,555,012.18/x - Step 3: Cross multiply
39,297,516.87x = 54,229,301.50 × 22,555,012.18 - Step 4: Simplify right side
39,297,516.87x = 1,223,142,555,845,392.25 - Step 5: Solve for x
x = 1,223,142,555,845,392.25/39,297,516.87 - Step 6: Final answer
x = 31,125,186.86
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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.