Finding the Fourth Proportional to 28,135,346.96, 42,202,233.16 and 8,967,254.24
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Solution
The fourth proportional to 28,135,346.96, 42,202,233.16 and 8,967,254.24 is: 13,450,630.44
Step by Step Solution
- Step 1: Write the proportion equation
28,135,346.96 : 42,202,233.16 = 8,967,254.24 : x - Step 2: Convert to fraction form
28,135,346.96/42,202,233.16 = 8,967,254.24/x - Step 3: Cross multiply
28,135,346.96x = 42,202,233.16 × 8,967,254.24 - Step 4: Simplify right side
28,135,346.96x = 378,438,154,324,566 - Step 5: Solve for x
x = 378,438,154,324,566/28,135,346.96 - Step 6: Final answer
x = 13,450,630.44
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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.