Finding the Fourth Proportional to 20,201,753.40, 30,302,630.51 and 4,849,043.08
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Solution
The fourth proportional to 20,201,753.40, 30,302,630.51 and 4,849,043.08 is: 7,273,564.72
Step by Step Solution
- Step 1: Write the proportion equation
20,201,753.40 : 30,302,630.51 = 4,849,043.08 : x - Step 2: Convert to fraction form
20,201,753.40/30,302,630.51 = 4,849,043.08/x - Step 3: Cross multiply
20,201,753.40x = 30,302,630.51 × 4,849,043.08 - Step 4: Simplify right side
20,201,753.40x = 146,938,760,793,945.44 - Step 5: Solve for x
x = 146,938,760,793,945.44/20,201,753.40 - Step 6: Final answer
x = 7,273,564.72
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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.