Finding the Fourth Proportional to 8,855,900.44, 12,221,164.76 and 5,135,452.58
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Solution
The fourth proportional to 8,855,900.44, 12,221,164.76 and 5,135,452.58 is: 7,086,937.41
Step by Step Solution
- Step 1: Write the proportion equation
8,855,900.44 : 12,221,164.76 = 5,135,452.58 : x - Step 2: Convert to fraction form
8,855,900.44/12,221,164.76 = 5,135,452.58/x - Step 3: Cross multiply
8,855,900.44x = 12,221,164.76 × 5,135,452.58 - Step 4: Simplify right side
8,855,900.44x = 62,761,212,097,347.08 - Step 5: Solve for x
x = 62,761,212,097,347.08/8,855,900.44 - Step 6: Final answer
x = 7,086,937.41
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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.