Finding the Fourth Proportional to 18,320,577.10, 27,480,865.65 and 6,353,313.10
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Solution
The fourth proportional to 18,320,577.10, 27,480,865.65 and 6,353,313.10 is: 9,529,969.65
Step by Step Solution
- Step 1: Write the proportion equation
18,320,577.10 : 27,480,865.65 = 6,353,313.10 : x - Step 2: Convert to fraction form
18,320,577.10/27,480,865.65 = 6,353,313.10/x - Step 3: Cross multiply
18,320,577.10x = 27,480,865.65 × 6,353,313.10 - Step 4: Simplify right side
18,320,577.10x = 174,594,543,733,485 - Step 5: Solve for x
x = 174,594,543,733,485/18,320,577.10 - Step 6: Final answer
x = 9,529,969.65
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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.