Finding the Fourth Proportional to 10,530,138.26, 15,795,207.38 and 2,551,962.26
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Solution
The fourth proportional to 10,530,138.26, 15,795,207.38 and 2,551,962.26 is: 3,827,943.39
Step by Step Solution
- Step 1: Write the proportion equation
10,530,138.26 : 15,795,207.38 = 2,551,962.26 : x - Step 2: Convert to fraction form
10,530,138.26/15,795,207.38 = 2,551,962.26/x - Step 3: Cross multiply
10,530,138.26x = 15,795,207.38 × 2,551,962.26 - Step 4: Simplify right side
10,530,138.26x = 40,308,773,122,633.48 - Step 5: Solve for x
x = 40,308,773,122,633.48/10,530,138.26 - Step 6: Final answer
x = 3,827,943.39
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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.