Finding the Fourth Proportional to 7,722,182.85, 10,656,613.64 and 4,284,415.68
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Solution
The fourth proportional to 7,722,182.85, 10,656,613.64 and 4,284,415.68 is: 5,912,494.36
Step by Step Solution
- Step 1: Write the proportion equation
7,722,182.85 : 10,656,613.64 = 4,284,415.68 : x - Step 2: Convert to fraction form
7,722,182.85/10,656,613.64 = 4,284,415.68/x - Step 3: Cross multiply
7,722,182.85x = 10,656,613.64 × 4,284,415.68 - Step 4: Simplify right side
7,722,182.85x = 45,657,362,574,917.88 - Step 5: Solve for x
x = 45,657,362,574,917.88/7,722,182.85 - Step 6: Final answer
x = 5,912,494.36
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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.