Finding the Fourth Proportional to 18,294,103.20, 27,432,292.08 and 5,512,225.44
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Solution
The fourth proportional to 18,294,103.20, 27,432,292.08 and 5,512,225.44 is: 8,265,667.72
Step by Step Solution
- Step 1: Write the proportion equation
18,294,103.20 : 27,432,292.08 = 5,512,225.44 : x - Step 2: Convert to fraction form
18,294,103.20/27,432,292.08 = 5,512,225.44/x - Step 3: Cross multiply
18,294,103.20x = 27,432,292.08 × 5,512,225.44 - Step 4: Simplify right side
18,294,103.20x = 151,212,978,280,886.53 - Step 5: Solve for x
x = 151,212,978,280,886.53/18,294,103.20 - Step 6: Final answer
x = 8,265,667.72
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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.