Finding the Fourth Proportional to 18,318,353.13, 27,477,624.47 and 10,740,004.47
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Solution
The fourth proportional to 18,318,353.13, 27,477,624.47 and 10,740,004.47 is: 16,110,062.27
Step by Step Solution
- Step 1: Write the proportion equation
18,318,353.13 : 27,477,624.47 = 10,740,004.47 : x - Step 2: Convert to fraction form
18,318,353.13/27,477,624.47 = 10,740,004.47/x - Step 3: Cross multiply
18,318,353.13x = 27,477,624.47 × 10,740,004.47 - Step 4: Simplify right side
18,318,353.13x = 295,109,809,579,081.38 - Step 5: Solve for x
x = 295,109,809,579,081.38/18,318,353.13 - Step 6: Final answer
x = 16,110,062.27
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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.