Finding the Fourth Proportional to 9,566,098.72, 13,193,751.36 and 6,128,659.60
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Solution
The fourth proportional to 9,566,098.72, 13,193,751.36 and 6,128,659.60 is: 8,452,767.77
Step by Step Solution
- Step 1: Write the proportion equation
9,566,098.72 : 13,193,751.36 = 6,128,659.60 : x - Step 2: Convert to fraction form
9,566,098.72/13,193,751.36 = 6,128,659.60/x - Step 3: Cross multiply
9,566,098.72x = 13,193,751.36 × 6,128,659.60 - Step 4: Simplify right side
9,566,098.72x = 80,860,010,932,477.05 - Step 5: Solve for x
x = 80,860,010,932,477.05/9,566,098.72 - Step 6: Final answer
x = 8,452,767.77
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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.