Finding the Fourth Proportional to 27,189,410.19, 40,783,715.93 and 6,719,129.21
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Solution
The fourth proportional to 27,189,410.19, 40,783,715.93 and 6,719,129.21 is: 10,078,595.12
Step by Step Solution
- Step 1: Write the proportion equation
27,189,410.19 : 40,783,715.93 = 6,719,129.21 : x - Step 2: Convert to fraction form
27,189,410.19/40,783,715.93 = 6,719,129.21/x - Step 3: Cross multiply
27,189,410.19x = 40,783,715.93 × 6,719,129.21 - Step 4: Simplify right side
27,189,410.19x = 274,031,056,760,091.06 - Step 5: Solve for x
x = 274,031,056,760,091.06/27,189,410.19 - Step 6: Final answer
x = 10,078,595.12
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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.