Finding the Fourth Proportional to 7,453,937.36, 10,292,886.60 and 7,071,297.68
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Solution
The fourth proportional to 7,453,937.36, 10,292,886.60 and 7,071,297.68 is: 9,764,512.58
Step by Step Solution
- Step 1: Write the proportion equation
7,453,937.36 : 10,292,886.60 = 7,071,297.68 : x - Step 2: Convert to fraction form
7,453,937.36/10,292,886.60 = 7,071,297.68/x - Step 3: Cross multiply
7,453,937.36x = 10,292,886.60 × 7,071,297.68 - Step 4: Simplify right side
7,453,937.36x = 72,784,065,135,083.08 - Step 5: Solve for x
x = 72,784,065,135,083.08/7,453,937.36 - Step 6: Final answer
x = 9,764,512.58
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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.