Finding the Fourth Proportional to 8,873,432.25, 12,245,336.55 and 4,799,051.25
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Solution
The fourth proportional to 8,873,432.25, 12,245,336.55 and 4,799,051.25 is: 6,622,690.75
Step by Step Solution
- Step 1: Write the proportion equation
8,873,432.25 : 12,245,336.55 = 4,799,051.25 : x - Step 2: Convert to fraction form
8,873,432.25/12,245,336.55 = 4,799,051.25/x - Step 3: Cross multiply
8,873,432.25x = 12,245,336.55 × 4,799,051.25 - Step 4: Simplify right side
8,873,432.25x = 58,765,997,676,948.19 - Step 5: Solve for x
x = 58,765,997,676,948.19/8,873,432.25 - Step 6: Final answer
x = 6,622,690.75
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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.