Finding the Fourth Proportional to 13,539,427.24, 20,318,837.56 and 5,763,793.05
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Solution
The fourth proportional to 13,539,427.24, 20,318,837.56 and 5,763,793.05 is: 8,649,817.49
Step by Step Solution
- Step 1: Write the proportion equation
13,539,427.24 : 20,318,837.56 = 5,763,793.05 : x - Step 2: Convert to fraction form
13,539,427.24/20,318,837.56 = 5,763,793.05/x - Step 3: Cross multiply
13,539,427.24x = 20,318,837.56 × 5,763,793.05 - Step 4: Simplify right side
13,539,427.24x = 117,113,574,610,812.77 - Step 5: Solve for x
x = 117,113,574,610,812.77/13,539,427.24 - Step 6: Final answer
x = 8,649,817.49
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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.