Finding the Fourth Proportional to 6,709,461.12, 9,259,445.16 and 5,052,642
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Solution
The fourth proportional to 6,709,461.12, 9,259,445.16 and 5,052,642 is: 6,972,938.76
Step by Step Solution
- Step 1: Write the proportion equation
6,709,461.12 : 9,259,445.16 = 5,052,642 : x - Step 2: Convert to fraction form
6,709,461.12/9,259,445.16 = 5,052,642/x - Step 3: Cross multiply
6,709,461.12x = 9,259,445.16 × 5,052,642 - Step 4: Simplify right side
6,709,461.12x = 46,784,661,512,112.72 - Step 5: Solve for x
x = 46,784,661,512,112.72/6,709,461.12 - Step 6: Final answer
x = 6,972,938.76
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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.