Finding the Fourth Proportional to 10,909,214.56, 15,051,379.44 and 6,324,620.80
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Solution
The fourth proportional to 10,909,214.56, 15,051,379.44 and 6,324,620.80 is: 8,726,042.28
Step by Step Solution
- Step 1: Write the proportion equation
10,909,214.56 : 15,051,379.44 = 6,324,620.80 : x - Step 2: Convert to fraction form
10,909,214.56/15,051,379.44 = 6,324,620.80/x - Step 3: Cross multiply
10,909,214.56x = 15,051,379.44 × 6,324,620.80 - Step 4: Simplify right side
10,909,214.56x = 95,194,267,474,916.34 - Step 5: Solve for x
x = 95,194,267,474,916.34/10,909,214.56 - Step 6: Final answer
x = 8,726,042.28
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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.