Finding the Fourth Proportional to 13,440,680.05, 20,161,020.08 and 4,465,232.05
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Solution
The fourth proportional to 13,440,680.05, 20,161,020.08 and 4,465,232.05 is: 6,697,848.08
Step by Step Solution
- Step 1: Write the proportion equation
13,440,680.05 : 20,161,020.08 = 4,465,232.05 : x - Step 2: Convert to fraction form
13,440,680.05/20,161,020.08 = 4,465,232.05/x - Step 3: Cross multiply
13,440,680.05x = 20,161,020.08 × 4,465,232.05 - Step 4: Simplify right side
13,440,680.05x = 90,023,632,999,583.39 - Step 5: Solve for x
x = 90,023,632,999,583.39/13,440,680.05 - Step 6: Final answer
x = 6,697,848.08
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Similar ratio
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1.5x scale
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.