Finding the Fourth Proportional to 18,318,402.96, 27,477,699.36 and 10,740,054.36
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Solution
The fourth proportional to 18,318,402.96, 27,477,699.36 and 10,740,054.36 is: 16,110,137.19
Step by Step Solution
- Step 1: Write the proportion equation
18,318,402.96 : 27,477,699.36 = 10,740,054.36 : x - Step 2: Convert to fraction form
18,318,402.96/27,477,699.36 = 10,740,054.36/x - Step 3: Cross multiply
18,318,402.96x = 27,477,699.36 × 10,740,054.36 - Step 4: Simplify right side
18,318,402.96x = 295,111,984,814,137.19 - Step 5: Solve for x
x = 295,111,984,814,137.19/18,318,402.96 - Step 6: Final answer
x = 16,110,137.19
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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.