Finding the Fourth Proportional to 7,926,566.26, 10,939,336.06 and 4,489,418.74
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Solution
The fourth proportional to 7,926,566.26, 10,939,336.06 and 4,489,418.74 is: 6,195,779.95
Step by Step Solution
- Step 1: Write the proportion equation
7,926,566.26 : 10,939,336.06 = 4,489,418.74 : x - Step 2: Convert to fraction form
7,926,566.26/10,939,336.06 = 4,489,418.74/x - Step 3: Cross multiply
7,926,566.26x = 10,939,336.06 × 4,489,418.74 - Step 4: Simplify right side
7,926,566.26x = 49,111,260,310,921.77 - Step 5: Solve for x
x = 49,111,260,310,921.77/7,926,566.26 - Step 6: Final answer
x = 6,195,779.95
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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.