Finding the Fourth Proportional to 36,110,539.38, 49,832,538.84 and 20,640,956.18
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Solution
The fourth proportional to 36,110,539.38, 49,832,538.84 and 20,640,956.18 is: 28,484,516.38
Step by Step Solution
- Step 1: Write the proportion equation
36,110,539.38 : 49,832,538.84 = 20,640,956.18 : x - Step 2: Convert to fraction form
36,110,539.38/49,832,538.84 = 20,640,956.18/x - Step 3: Cross multiply
36,110,539.38x = 49,832,538.84 × 20,640,956.18 - Step 4: Simplify right side
36,110,539.38x = 1,028,591,250,534,588.12 - Step 5: Solve for x
x = 1,028,591,250,534,588.12/36,110,539.38 - Step 6: Final answer
x = 28,484,516.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.