Finding the Fourth Proportional to 21,997,652.70, 32,996,315.02 and 6,644,912.70
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Solution
The fourth proportional to 21,997,652.70, 32,996,315.02 and 6,644,912.70 is: 9,967,319.50
Step by Step Solution
- Step 1: Write the proportion equation
21,997,652.70 : 32,996,315.02 = 6,644,912.70 : x - Step 2: Convert to fraction form
21,997,652.70/32,996,315.02 = 6,644,912.70/x - Step 3: Cross multiply
21,997,652.70x = 32,996,315.02 × 6,644,912.70 - Step 4: Simplify right side
21,997,652.70x = 219,257,632,729,598.75 - Step 5: Solve for x
x = 219,257,632,729,598.75/21,997,652.70 - Step 6: Final answer
x = 9,967,319.50
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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.