Finding the Fourth Proportional to 36,874,905.57, 50,888,574.11 and 20,130,537.94
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Solution
The fourth proportional to 36,874,905.57, 50,888,574.11 and 20,130,537.94 is: 27,780,799.87
Step by Step Solution
- Step 1: Write the proportion equation
36,874,905.57 : 50,888,574.11 = 20,130,537.94 : x - Step 2: Convert to fraction form
36,874,905.57/50,888,574.11 = 20,130,537.94/x - Step 3: Cross multiply
36,874,905.57x = 50,888,574.11 × 20,130,537.94 - Step 4: Simplify right side
36,874,905.57x = 1,024,414,371,756,961.62 - Step 5: Solve for x
x = 1,024,414,371,756,961.62/36,874,905.57 - Step 6: Final answer
x = 27,780,799.87
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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.