Finding the Fourth Proportional to 10,907,310.43, 15,052,988.23 and 6,261,991.91
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Solution
The fourth proportional to 10,907,310.43, 15,052,988.23 and 6,261,991.91 is: 8,642,065.45
Step by Step Solution
- Step 1: Write the proportion equation
10,907,310.43 : 15,052,988.23 = 6,261,991.91 : x - Step 2: Convert to fraction form
10,907,310.43/15,052,988.23 = 6,261,991.91/x - Step 3: Cross multiply
10,907,310.43x = 15,052,988.23 × 6,261,991.91 - Step 4: Simplify right side
10,907,310.43x = 94,261,690,582,613.91 - Step 5: Solve for x
x = 94,261,690,582,613.91/10,907,310.43 - Step 6: Final answer
x = 8,642,065.45
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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.