Finding the Fourth Proportional to 8,523,990.08, 11,763,034.08 and 4,656,512.96
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Solution
The fourth proportional to 8,523,990.08, 11,763,034.08 and 4,656,512.96 is: 6,425,948.43
Step by Step Solution
- Step 1: Write the proportion equation
8,523,990.08 : 11,763,034.08 = 4,656,512.96 : x - Step 2: Convert to fraction form
8,523,990.08/11,763,034.08 = 4,656,512.96/x - Step 3: Cross multiply
8,523,990.08x = 11,763,034.08 × 4,656,512.96 - Step 4: Simplify right side
8,523,990.08x = 54,774,720,642,441.68 - Step 5: Solve for x
x = 54,774,720,642,441.68/8,523,990.08 - Step 6: Final answer
x = 6,425,948.43
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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.