Finding the Fourth Proportional to 10,909,905.17, 16,366,539.26 and 3,719,757.55
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Solution
The fourth proportional to 10,909,905.17, 16,366,539.26 and 3,719,757.55 is: 5,580,209.63
Step by Step Solution
- Step 1: Write the proportion equation
10,909,905.17 : 16,366,539.26 = 3,719,757.55 : x - Step 2: Convert to fraction form
10,909,905.17/16,366,539.26 = 3,719,757.55/x - Step 3: Cross multiply
10,909,905.17x = 16,366,539.26 × 3,719,757.55 - Step 4: Simplify right side
10,909,905.17x = 60,879,557,879,324.93 - Step 5: Solve for x
x = 60,879,557,879,324.93/10,909,905.17 - Step 6: Final answer
x = 5,580,209.63
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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.