Finding the Fourth Proportional to 7,658,062.63, 10,568,347.90 and 4,220,525.09
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Solution
The fourth proportional to 7,658,062.63, 10,568,347.90 and 4,220,525.09 is: 5,824,446.69
Step by Step Solution
- Step 1: Write the proportion equation
7,658,062.63 : 10,568,347.90 = 4,220,525.09 : x - Step 2: Convert to fraction form
7,658,062.63/10,568,347.90 = 4,220,525.09/x - Step 3: Cross multiply
7,658,062.63x = 10,568,347.90 × 4,220,525.09 - Step 4: Simplify right side
7,658,062.63x = 44,603,977,487,668.38 - Step 5: Solve for x
x = 44,603,977,487,668.38/7,658,062.63 - Step 6: Final answer
x = 5,824,446.69
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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.