Finding the Fourth Proportional to 13,505,666.49, 20,260,165.50 and 4,405,331.07
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Solution
The fourth proportional to 13,505,666.49, 20,260,165.50 and 4,405,331.07 is: 6,608,539.95
Step by Step Solution
- Step 1: Write the proportion equation
13,505,666.49 : 20,260,165.50 = 4,405,331.07 : x - Step 2: Convert to fraction form
13,505,666.49/20,260,165.50 = 4,405,331.07/x - Step 3: Cross multiply
13,505,666.49x = 20,260,165.50 × 4,405,331.07 - Step 4: Simplify right side
13,505,666.49x = 89,252,736,560,492.09 - Step 5: Solve for x
x = 89,252,736,560,492.09/13,505,666.49 - Step 6: Final answer
x = 6,608,539.95
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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.