Finding the Fourth Proportional to 18,977,042, 28,468,512.12 and 6,372,503.12
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Solution
The fourth proportional to 18,977,042, 28,468,512.12 and 6,372,503.12 is: 9,559,745.00
Step by Step Solution
- Step 1: Write the proportion equation
18,977,042 : 28,468,512.12 = 6,372,503.12 : x - Step 2: Convert to fraction form
18,977,042/28,468,512.12 = 6,372,503.12/x - Step 3: Cross multiply
18,977,042x = 28,468,512.12 × 6,372,503.12 - Step 4: Simplify right side
18,977,042x = 181,415,682,306,457.81 - Step 5: Solve for x
x = 181,415,682,306,457.81/18,977,042 - Step 6: Final answer
x = 9,559,745.00
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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.