Finding the Fourth Proportional to 20,256,768.96, 30,385,153.92 and 6,793,558.08
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Solution
The fourth proportional to 20,256,768.96, 30,385,153.92 and 6,793,558.08 is: 10,190,337.28
Step by Step Solution
- Step 1: Write the proportion equation
20,256,768.96 : 30,385,153.92 = 6,793,558.08 : x - Step 2: Convert to fraction form
20,256,768.96/30,385,153.92 = 6,793,558.08/x - Step 3: Cross multiply
20,256,768.96x = 30,385,153.92 × 6,793,558.08 - Step 4: Simplify right side
20,256,768.96x = 206,423,307,925,259.69 - Step 5: Solve for x
x = 206,423,307,925,259.69/20,256,768.96 - Step 6: Final answer
x = 10,190,337.28
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1.5x scale
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.