Finding the Fourth Proportional to 7,393,128.26, 10,198,259.25 and 4,450,898.84
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Solution
The fourth proportional to 7,393,128.26, 10,198,259.25 and 4,450,898.84 is: 6,139,677.10
Step by Step Solution
- Step 1: Write the proportion equation
7,393,128.26 : 10,198,259.25 = 4,450,898.84 : x - Step 2: Convert to fraction form
7,393,128.26/10,198,259.25 = 4,450,898.84/x - Step 3: Cross multiply
7,393,128.26x = 10,198,259.25 × 4,450,898.84 - Step 4: Simplify right side
7,393,128.26x = 45,391,420,265,844.27 - Step 5: Solve for x
x = 45,391,420,265,844.27/7,393,128.26 - Step 6: Final answer
x = 6,139,677.10
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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.