Finding the Fourth Proportional to 10,512,874.45, 14,507,739.66 and 5,866,609.96
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Solution
The fourth proportional to 10,512,874.45, 14,507,739.66 and 5,866,609.96 is: 8,095,906.63
Step by Step Solution
- Step 1: Write the proportion equation
10,512,874.45 : 14,507,739.66 = 5,866,609.96 : x - Step 2: Convert to fraction form
10,512,874.45/14,507,739.66 = 5,866,609.96/x - Step 3: Cross multiply
10,512,874.45x = 14,507,739.66 × 5,866,609.96 - Step 4: Simplify right side
10,512,874.45x = 85,111,249,986,443.02 - Step 5: Solve for x
x = 85,111,249,986,443.02/10,512,874.45 - Step 6: Final answer
x = 8,095,906.63
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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.