Finding the Fourth Proportional to 11,010,659.90, 16,483,330.65 and 8,183,306.30
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Solution
The fourth proportional to 11,010,659.90, 16,483,330.65 and 8,183,306.30 is: 12,250,686.59
Step by Step Solution
- Step 1: Write the proportion equation
11,010,659.90 : 16,483,330.65 = 8,183,306.30 : x - Step 2: Convert to fraction form
11,010,659.90/16,483,330.65 = 8,183,306.30/x - Step 3: Cross multiply
11,010,659.90x = 16,483,330.65 × 8,183,306.30 - Step 4: Simplify right side
11,010,659.90x = 134,888,143,553,128.09 - Step 5: Solve for x
x = 134,888,143,553,128.09/11,010,659.90 - Step 6: Final answer
x = 12,250,686.59
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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.