Finding the Fourth Proportional to 8,771,078.08, 13,147,782.10 and 3,656,337.54
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Solution
The fourth proportional to 8,771,078.08, 13,147,782.10 and 3,656,337.54 is: 5,480,823.32
Step by Step Solution
- Step 1: Write the proportion equation
8,771,078.08 : 13,147,782.10 = 3,656,337.54 : x - Step 2: Convert to fraction form
8,771,078.08/13,147,782.10 = 3,656,337.54/x - Step 3: Cross multiply
8,771,078.08x = 13,147,782.10 × 3,656,337.54 - Step 4: Simplify right side
8,771,078.08x = 48,072,729,259,970.03 - Step 5: Solve for x
x = 48,072,729,259,970.03/8,771,078.08 - Step 6: Final answer
x = 5,480,823.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.