Finding the Fourth Proportional to 7,394,417.83, 10,204,108.25 and 4,131,257.09
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Solution
The fourth proportional to 7,394,417.83, 10,204,108.25 and 4,131,257.09 is: 5,701,029.55
Step by Step Solution
- Step 1: Write the proportion equation
7,394,417.83 : 10,204,108.25 = 4,131,257.09 : x - Step 2: Convert to fraction form
7,394,417.83/10,204,108.25 = 4,131,257.09/x - Step 3: Cross multiply
7,394,417.83x = 10,204,108.25 × 4,131,257.09 - Step 4: Simplify right side
7,394,417.83x = 42,155,794,540,661.27 - Step 5: Solve for x
x = 42,155,794,540,661.27/7,394,417.83 - Step 6: Final answer
x = 5,701,029.55
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1.5x scale
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.