Finding the Fourth Proportional to 13,319,236.62, 18,378,569.30 and 8,089,523.34
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Solution
The fourth proportional to 13,319,236.62, 18,378,569.30 and 8,089,523.34 is: 11,162,341.32
Step by Step Solution
- Step 1: Write the proportion equation
13,319,236.62 : 18,378,569.30 = 8,089,523.34 : x - Step 2: Convert to fraction form
13,319,236.62/18,378,569.30 = 8,089,523.34/x - Step 3: Cross multiply
13,319,236.62x = 18,378,569.30 × 8,089,523.34 - Step 4: Simplify right side
13,319,236.62x = 148,673,865,308,157.47 - Step 5: Solve for x
x = 148,673,865,308,157.47/13,319,236.62 - Step 6: Final answer
x = 11,162,341.32
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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.