Finding the Fourth Proportional to 22,190,800.70, 30,620,652.82 and 12,266,342.75
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Solution
The fourth proportional to 22,190,800.70, 30,620,652.82 and 12,266,342.75 is: 16,926,086.98
Step by Step Solution
- Step 1: Write the proportion equation
22,190,800.70 : 30,620,652.82 = 12,266,342.75 : x - Step 2: Convert to fraction form
22,190,800.70/30,620,652.82 = 12,266,342.75/x - Step 3: Cross multiply
22,190,800.70x = 30,620,652.82 × 12,266,342.75 - Step 4: Simplify right side
22,190,800.70x = 375,603,422,764,759.81 - Step 5: Solve for x
x = 375,603,422,764,759.81/22,190,800.70 - Step 6: Final answer
x = 16,926,086.98
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1.5x scale
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.